Pelley today, president obama made it clear, he believes Vladimir Putin ordered a plot to break into Democratic Party computers with the intent of throwing the election to donald trump. Mr. Obama said he warned putin during this summit meeting in assessment that russia must not attempt to hack into any systems for counting votes. But mr. And mr. Obama said there is though evidence that they did that. But in a news conference, the president said the russians did hack into the Democratic National committee and the emails of hillar hillary clints campaign chairman. He suggested that mr. Trump and republicans aided the russian plot by embracing the embarrassing leaks that dom 98edly the media before election day. Margaret brennan is at the white house. Not much happens in russia without Vladimir Putin. Reporter president obama left little doubt he believed Vladimir Putin was involved with the russian hacking, and he confronted him about it two months before the election. In early september, when i saw president putin in china, i felt that the most effective way to ensure that, that didnt happen was to talk to him directly and tell him to cut it out. There were going to be some serious consequences if he didnt. Reporter mr. Obama publicly vowed to strike back at russia for its interference, but he assured americans that the votes cast for donald trump were legitimate. He said moscows election tampering should concern all americans and questioned how some republicans could believe putins public denials rather than the u. S. Intelligence communitys conclusions. Over a third of Republican Voters approve of Vladimir Putin, the former head of the k. G. B. Ronald reagan would roll over in his grave. Reporter mr. Obama also said putin has blood on his hands for the atrocities in syria and blamed russia and iran for keeping the brutal dictator Bashar Alassad in power. Yet, the president acknowledged the images of suffering children in aleppo do haunt him, and he feels responsible for failing to stop it. I cannot claim that weve been successful. And so, thats something that, as is true with a lot of issues and problems around the world, i have to go to bed with every night. Reporter the president said time and again, hes considered using military force to protect civilians, but ultimately defended his decision not to do so. Unless we were nawl and willing to take over syria, we were going to have problems, and that Everything Else was tempting because we wanted to do something, and it sounded like the right thing to do, but it was going to be impossible to do this on the cheap. Reporter as the president left the podium, he was asked if this was his very last news conference. He paused, said hed have to think about it, and said he really enjoyed todays session. Scott. Pelley Margaret Brennan for us, margaret, thank you. Mr. Obama also said he will retaliate for the election hacks in a time and place of his choosing and in ways that may be seen or unseen. Jefjeff pegues has learned more about the investigation. Reporter in a memo to c. I. A. Staff, director john brennan said he, f. B. I. Director, james comey, and director of National IntelligenceJames Clapper were now all on the same page about the scope, nature, and intent of the russian interference in our president ial election. Im proud to be an american reporter that intent was in part to help donald trump once he became the republican nominee. But at the start, investigators say the operation was designed to smear Hillary Clinton, whom putin has long viewed as a threat. Putin is convinced that america has a secret plan to destroy russia. Reporter cybersecurity expert jim lewis thinks the russians wanted to sends message. When they want to be hidden, they can stay hidden. So one of the seens that this was a plitle action is the russians were really noisy about did. They didnt mind that we knew it was them. Reporter even after being exposed, an intelligence source said the intrusions increased and the breaches continue to this day. A source said the russians are hacking the hell out of us and we arent doing anything about it. What is really going to make a difference with Vladimir Putin . Well, vlad is a bit of a tough guy, so telling him youre going to send hem a very angry letter probably wont do it. We have to do something that sends a political message and that says relationships and money. Reporter president obama says the u. S. Will respond. Among the options on the table are sanctions or an offensive cyberattack. But, scott, theres no historical precedent to draw on here as the administration tries to avoid an allout cyber war. Pelley jeff pegues, thanks. Well, mr. Trump has mocked the allegations of russian hacking, but it appeared today that the president elect is having a change of tweet. Heres major garrett. Reporter in the past 24 hours, mr. Trump offered two tweets that for the first time acceptedly the possibility of politically motivated russian hacking. This morning mr. Trump acknowledged that the hack revealed damaging information about the Democratic National committee. Yesterday he wrote, if russia or some other entity was hacking, why did the white house wait so long to act . Why did they only complain after hillary lost . In fact, intelligence officials publicly blamed russia in october, a full month before the election. But the tweets contrast with mr. Trumps previous skepticism that russia was responsible. It could be lots of other people. It also could be somebody sitting on their bed that weighs 400 pounds, okay. Reporter last night, Hillary Clinton told her major donors that the moscowordered hacking led to her defeat. The New York Times obtained audio of the remarks. Reporter president obama agreed, but also cast blame on the media. I think shes worked tirelessly on behalf of the american people, and i dont think she was treated fairly during the election. I think the coverage of her and the issues was troubling. Reporter mr. Trump and his supporters also found coverage of the campaign troubling, though for entirely different reasons. Scott, those close to mr. Trump say hes hesitant to fully accept or even call for an investigation into russian hacking out of fear it would undercut or delegitimize his election. Pelley major garrett, thanks. Well, mr. Trumps criticism of china may have been answered today when the chinese navy committed an apparent act of piracy against a u. S. Navy ship. The pentagon says an underwater drone was stolen in the International Waters of the south china sea. David martin is following this. Reporter the unmanned underwater drone does not contain any sensitive technology, but its worth 150,000 and the u. S. Has lodged a diplomatic protest, demanding it back. According to the pentagon air, Chinese Navy Ship stole it in broad daylight. It happened asa u. S. Navy research vessel, the bowditch, was recovering underwater drones after testing water offs the coast of the philippines, data which can be used to hunt for chinese submarines. The chinese ship, which had been shadowing the bowditch, swooped in, pate small boat in the water, snatched one of the drones and disappeared over the horizon, ignoring radio calls to return it. U. S. Navy Research Vessels are routinely shadowed and harassed by chinese ships as part of the shoving match for dominance in the south china sea. This incident, in which a pair of chinese trawlers harassed and almost collided with another Navy Research ship, occurred in wow 9. But usually, those incidents occur much closer to the chinese mainland than this one. Only the chinese know if this was intended as a signal to the Incoming Trump administration. Pentagon Officials Say it look likes will the chinese ship simply saw a chance to disrupt american operations and went for it. Scott. Pelley david martin at the pentagon tonight. David, thank you. A moment ago woe heard from president obama on syria. In the ruined city of aleppo, these green buses came to evacuate civilians bombarded by syrian and russian planes. But the evacuation operation has been interrupted by fighting, and Elizabeth Palmer picks up our story. Reporter around the clock, buses rolled from east aleppo into rebelheld areas of the countryside nearby, and the exodus continued this morning air, stream of ambulances carrying the injured. Its estimated that 8,000 to 9,000 civilians and rebel fighters have left so far, crammed into any vehicle that moved. With no choice but to start again in unknown territory. Some found comfort, even joy, as they were reunited with friends they werent even sure were alive. But for most, the evacuation has been both shock and heartbreak. Mohammed was a teacher at aleppo university. I cried. I left my country. I left my homeland. I was kicked out of my country. I was kicked out of my homeland. Reporter then, suddenly, late this afternoon, someone started shelling. You can hear it in the background of this syrian tv report. The reporter, unsure where its coming from. Each side accused the other of opening fire. But almost immediately, the evacuation stopped. Meanwhile, inside east aleppo, thousands are still waiting to get out as opposition activist lina shamy reported this afternoon. Very few people could leave the city, very few people. And still thousands of civilians in the city with a lot of injured. Reporter and, scott, one of the convoys that left aleppo today was actually turned back on the road, witnesses say, pay within one of the iranian militias fighting with assad. So the people who were on board, hundreds of them, are now back in the ruined city where the temperature has dipped to almost freezing. Pelley liz palmer in london. Liz, thanks. Well, freezing weather here from the Pacific Northwest to the coast of maine is making the last weekend of autumn feel like the dead of winter. In some places, there are only a few degrees of separation between the lows and want highs. In boston today, it was battle of fire and ice as water froze instantly to firefighters and their gear. Jamie yuccas bundled up for this report. Reporter whiteout conditions and icy roads made driving a nightmare in parts of the country today. Last night, in portland, oregon, it looked like drivers were playing dominoes with their cars. In subzero temperatures, boston firefighters battled a sixalarm fire, which quickly turned to ice. And Central Minnesota commuters slid into ditches while trying to get to work this morning. The city of minneapolis loaded up 45 to 50 snow plows to keep roads clear. The twin cities are expecting close to a foot of snow. Plow driver al birr says even after the snow stops falling, extreme temperatures create a bigger danger. Subzero temperatures just change the whole chemistry and the chemicals themselves in how its going to affect your drive. Reporter so sometimes it gets to a point you just cant do anything. Not when it gets to this temperature that may hit sunday, you know, 35 below, winds ploag. Its its thats a hit and mis. Reporter wind chills will make it feel like its 40 degrees below zero sunday morning. Some Sporting Goods stores are selling out of jackets. Salesman dave mccall. The down jackets, warm underwear, warm socks, warm boots, definitely the items that are flying off the shelves right now, for sure. Reporter minneapolis is set to have its coldest december temperatures this weekend in more than 16 years. But its not stopping people from coming out to this holiday market. Scott, we think it may be because theres also a warming house on site. Pelley jamie yuccas for us, thank you, jamie. Heavy rain drenched the california coast. Mud from the San Gabriel Mountains flowed into the foothills. An l. A. County sheriffs helicopter lifted two women from an island in the san gabriel river, lifted them, along with their four dogs and six puppies. Coming up next on the cbs evening news, the rising cost of americas holiday road trip. Ria, isnt it time to let the real you shine through . Introducing Otezla Apremilast . Otezla is not an injection or a cream. Its a pill that treats plaque psoriasis differently. With otezla, 75 clearer skin is achievable after just 4 months, with reduced redness, thickness, and scaliness of plaques. And the otezla prescribing information has no requirement for routine lab monitoring. Dont take otezla if you are allergic to any of its ingredients. Otezla may increase the risk of depression. Tell your doctor if you have a history of depression or suicidal thoughts, or if these feelings develop. Some people taking otezla reported weight loss. Your doctor should monitor your weight and may stop treatment. Side effects may include diarrhea, nausea, upper respiratory tract infection, and headache. Tell your doctor about all the medicines you take, and if youre pregnant or planning to be. Ask your dermatologist about otezla today. Otezla. Show more of you. Fight heartburn fast. With tums chewy delights. The mouthwatering soft chew that goes to work in seconds to conquer heartburn fast. Tum tum tum tum. Chewy delights. Only from tums. Pelley a. A. A. Says more than 93 Million People are planning road trips this holiday season. There will be more cars on the road than last year, and Dean Reynolds reports, gas will cost more. Reporter at the Marathon Service station in naperville, illinois, gasoline prices are cause for concern. Well, theyve definitely gone up. Reporter jodi newcomb is bracing for whats down the road. It will impact us. Were driving to iowa for christmas. So were definitely going to feel it. Reporter in naperville, the price of a gallon has risen between 20 and 38 cent in just over two weeks. Patrick dehawn is the Senior Petroleum analyst at gasbuddy. Com. Whats going on with gas prices . Well, they are headed north in just about every Community Across the country, starting to see gas prices go up. Reporter bay city, michigan, up 42 cents. Evansville, indiana, up 33 cents. 39 cities across the country up 25 cents in the last month. The reason is classic supply and demand. Opec, the oilproduced cartel, decided to cut production last month, and because lessupply means greater demand, prices at the pump started rising. But for the last couple of years, opec had been going in the opposite direction, overproducing and driving prices down, hoping lower profits would eventually Price American suppliers out of the market. But the u. S. Producers in north dakota, texas, and louisiana, have proven far more resilient than opec amounted. So now, opecs influence is diminishing. U. S. Shale producers will turn the key and that will act to limit oil prices from increasing too high. Reporter for now, the expectation of oil market experts is that gasoline prices will probably rise gradually well into 2017, scott, and could reach as high as 3 a gallon in some areas. Pelley Dean Reynolds, thanks. Coming up, a pintsized super hero saves the day. I sure had a lot to think about. What about the people i care about . Including this little girl. 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While his mom downloads how to set a dislocated shoulder. Get 150 meg internet, tv and phone for just 79. 99 per month online for the first year. Cable cant offer that. Only fios can. Pelley core had a special gift last night. His the late late show fans. Carpool karaoke, christmas style. Happy christmas i dont want a lot for Christmas Pelley how many stars can you name . Cordon worked on this all year, just like santas elves. A young superhero saved the day in washington. Kahim is five years old from owings mills, maryland, who put on his cape and used his special powers to save santa from a ferris wheel. He solved a mystery for House Speaker paul ryan at the capital. Kahim has leukemia, and the make a Wish Foundation set up his big day. He said his dream is to be a hero like a firefighter or a cop. Today, kahim gave his heroes a superhero they could look up to. Steve hartman is next. Coaching means making tough choices. 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Serious allergic reactions, such as low Blood Pressure; trouble breathing; throat tightness; face, lip, or tongue swelling; rash, itching or hives have happened in people taking prolia®. Tell your doctor about dental problems, as severe jaw bone problems may happen, or new or unusual pain in your hip, groin or thigh, as unusual thigh bone fractures have occurred. Prolia® can cause serious side effects, including low blood calcium, serious infections. Which could require hospitalization; skin problems; and severe bone, joint or muscle pain. Only prolia helps strengthen and protect bones with 2 shots a year. I have proof prolia® works for me. Can it work for you . Ask your doctor about prolia® today. Pelley we end tonight with uniformed officers teaming up with a plainclothes santa to serve and protect the spirit of the season. Heres Steve Hartman on the road. Reporter this week, the kansas city, kansas, Police Department was on the take. Im going to give each of you 1,000. Reporter each officer in this room got at least a grand, courtesy of the anonymous wealthy businessman i know only as secret santa. Thi this is the day for to you just have fun. We ready to roll . Reporter their assignment was to go up on the into the community and find people who looked like they could use an extra 100. People like qend gend lin jones. I told my family already were not going to be able to do christmas this year because i dont have the money to do it. Reporter didnt have the money to do it, until now. And thats how it went. Oh, my god reporter benjamin after benjamin. This is for real reporter armed assault after wonderful armed assault. Most of the people they just happened upon, but some, they sought out. Officers james tourney exwiewf a homeless woman staying at this motel with her two young children. Hi, krystal. Reporter in fact, he is paying for their room out of his own pocket. Heres 1,000. Yeah. Reporter he gave her everything. You make me a better person. Thank you. There are men and women that wear the badge, and they stay on the line to protect us and to serve. Reporter it is no coincidence that secret santa chose the kansas city, kansas Police Department to give away its money this year. Hes from around here, and this relatively Small Department lost two officers in the line of duty just 10 weeks apart. Allowing them this privilege was meant as a reminder of the inherent goodness in people. Its really neat because they see that youre a human being, too. Youre just like them. And i think the uniform goes away and you just realize that were all the same people and thats thats the gift to me for this. Reporter in the end, the officers gave out nearly 30,000 to random strangers and special causes. Thank you so much. Oh, my god absolutely. Reporter on the receiving end will no doubt have a merrier christmas, while those who gave it away got to keep something even better a message for a happier new year. We have angels. Yes. In the heaven put but here, you are the angels. You can touch us. Reporter you can take that the bank. Steve hartman, on the road in kansas city, kansas. Pelley and in the famous phrase thats what christmas is all about, charlie brown. For all of us at cbs news all around the world, im scott pelley. See you sunday on 60 minutes. Good night. Captioning sponsored by cbs julia roberts, the tv star. Why so many oscar winners are making the jump to the small screen and everything we know about jjlias firstever tv starring role. Then details on mariahs starstudded carpool karaoke. Which divas were left out . Plus Ryan Reynolds and Blake Livelys adorable daughter becoming an overnight sensation. Why 2yearold james is already turning into hollywoods next fashionista. Goldie hawns movie comeback with amy schumer playing her daughter. We are on quite a romp together, the two of us. E. T. With a look at their hilarious south american adventure. Why are you dressed like a beekeeper . 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