0 minutes. cbs weekend news is next. captioning sponsored by cbs >> dickerson: tonight remembering the life and legacy of bob dole, flags are lowered to half stafl, bipartisan tributes pour in honoring a war hero and a long-time leader of the senate and republican party. >> i accept your nomination to lead our party once again to the presidency of the united states. >> duncan: also tonight, more states detect the omicron variant, communities brace for the worse as new travel restrictions try to slow the spread. >> i'm lilia luciano at lax where tighter rules will soon be in place. >> overseas, protests against covid restrictions turn violent with covid still proving lethal. plus the latest on the michigan school shooting with the suspect and parents now behind bars. >> i'm michael george in oxford, michigan where warning signs about the accused school shooter taken seriously? >> duncan: and later 80 years after the pearl harbor attack america's greatest generation returns to remember. >> this is the cbs weekend this is the "cbs weekend news" from new york, with jericka duncan. >> duncan: good evening, and thanks for joining us. tonight former senator bob dole born and raised in russell, kansas is being remembered for a life of service to his country. first on the battlefields of world war ii, and then for his leadership in congress. bob dole died today at the age of 98. president biden called mr. dole a statesman like few in our history. flags in washington d.c. from the capitol to the white housen. in 2018 you may recall senator dole returned to the capitol for a final salute to another veteran, former president george h.w. bush, who was lying in state in the rotunda. cbs's major garrett now are more on the life and legacy of bob dole. >> i accept your nomination to lead our party once again to the presidency of the united states. >> bob dole was the last presidential candidate who served in world war ii. and in the '96 campaign he said america needed more of the greatest imen raise's grit and values. >> and i know because i was there, and i had seen it, an i remember. >> but it didn't work. bill clinton painted dole as a fixture of the past and easily won a second terp. >> growing up in russell, kansas, dole was a star athlete in high school and joined the army as a college freshman. he suffered grievous wounds in italy that would cost him the use of one arm, neighbors raised money to fay por several surgeries and later sent him to congress. >> when i needed help, the people of russell helped me. and-- . >> gerald ford put dole on the ticket in 1976, in the vice presidential debate, dole blamed democrats for wars on their watch. >> we had it up the-- wounded democrat wars. >> the backlash hurt dole and ford who would eventually louis to jimmy carter. dole spent 27 years in the senate, quitting his post as majority leader in an all-out bid to defeat clinton. >> my time to lead this leave this office has come and i will seek the presidency with nothing to fall back on but the judgement of the people, and nowhere to go but the white house or home. >> with that defeat, dole became the only person to lose as a presidential and vice presidential come knee-- nominee. >> thank you so much. >> six years later his wife elizabeth was elected to the senate and he became an unlikely trk v pitchman for soft krings with britney sparies. >> easy boy. >> courage. >> and even viagra. >> like erectile disfunction. >> when donald trump secured the nomination in 2016 dole became the only living grk op nominee to endorse him. >> done all trump can win. >> dole was a farm belt fiscal conservative, party loyalty tee came easy, culture war rhetoric did not. he wielded power quietly and over the years with humor and humility. qualities of what feels like a bygone era of national politics. >> major garrett, cbs news, washington. >> duncan: and as you just heard bob dole had a reputation as a fighter. cbs news contributor dr. david agus knows that first hand. dr. agus, you were actually a part of the treatment plan for senator dole. what can you tell us about that treatment and how you became involved? >> so right after the inauguration i received a call from the white house. and president biden said will you help the amazing doctors at walter reed medical center with the care of senator dole for advanced lung cancer. and obviously it was my privilege. i was able to spend time with him and the other senators all his life, over the these last ten, 11 months. he lived until the day he died. and with modern medicine we were able to keep him comfortable and the cancer at bay for a long time, to let him get things accomplished that he wanted uz. >> duncan: it seemed as though he made peace with the fact he was getting older, he even joked about trying to get to his 100th birthday. what can you tell us about that, because you actually had coversations with him? >> i remember, you know, him talking about the 100th birthday, it was a key milestone, every time we spoke, am i going to get there, he was actually planning the seating chart for that 100th birthday party. and to him birthday parties were amazing monumental events. when you look at what he had gone through, through the war and after and obviously he was thankful to be alive and to accomplish what he did. i think we in america are grateful for that. >> duncan: your fondest memories? >> my fondest memory was just sitting there joking with him, with his wife, with his dogs. and sitting there, holding his hand and talking about taking cancer head on. and believe me, he did. he fought aggressively until the end. >> all right, making it to 98 is no small feat, dr. agus, thank you. scientists it around the world are racing to understand covid's new mutant strain the omicron variant, as of today it has now been identified in at least 17 states. new covid cases are up 19 percent over the past two weeks with daily cases topping 108,000. cbs's lilia luciano is in los ageles where new efforts to slow the spread are taking affect tomorrow, lilia. >> good evening, jericka, to protect the u.s. from this new strain starting tomorrow all inbound international flyers have to take a covid test within 24 hours of departure. >> las vegas, laguardia and los angeles are just some of the major airports nation wyden forcing the new rule which applies to passengers regardless of vaccine status or nationality. >> it is going to force people to stay home and not travel. >> the rapid testing requirement comes as the u.s. gears up for one of the busiest holiday seasons of the pandemic. the tsa on friday screened nearly two million flyers more than double the number from a year ago. >> we have travel measures, fesures that actually are helping reduce the risk. the bottomline is these are meant to be temporary measures. >> 60% of the country is fully vaccinated and 122 percent have gotten a booster which health officials say is the best protection against omicron. the delta is is still the greatest threat. >> we have definitely seen an increase going in the wrong direction. >> in 36 states hospitalizations are trending up and three out of four counties are considered high transmission areas. >> it would be really sad if people lose their lives today because we have been killed by the delta variant, while they are worrying about omicron. >> all to slow the threat of covid, the federal mask mandate for airplanes and airports has now been extended through march 18th. jericka. >> duncan: lilia luciano for us in los angeles tonight, thank you. >> europe is also experiencing a surge in covid cases. today in brussels, bell grum, police used water canons and tear gas to cotrol protestors outraged by new restrictions, some also carried signs critical of vaccines, elizabeth palmer takes a closer look at the global crisis. >> covid infections around johannesburg in south africa tripled in just three days last week. the suspected cause, omicron, the new mutated variant of covid which was first spotted last month by scientists in southern africa who raised the alarm. >> it is early days but so far om crohn does-- omicron does look easy to catch and to spread. scientists around the world are now racing to figure out if omicron will cause serious disease and whether vaccines will protect us. restrictions on travel from southern africa may have slowed it down, but they haven't stopped it. lab sequencing shows omicron is in at least 38 countries and counting. >> but worldwide it is the delta variant that is still overwhelmingly dominant and as lethal as ever, especially for the unvaccinated. germany is being hammered by a fourth wave. medical staff in bavaria lit up the icu facility in red as a warning while the air force has drafted in to transfer patients away from areas overwhelmed to hospitals that can cope. on friday alone, more than 1500 europeans died of covid. where i am in south korea the government is suddenly having to deal with a huge unexpected surge in covid cases. the delta variant, while it and the rest of the world anxiously waits for news on what threat omicron might or might not deliver. elizabeth palmer, cbs news, seoul. >> duncan: hopefully it might not. to michigan now where the parents of ethan crumbley accused in the school shooting death of four classmates remain behind bars. neither posted the $500,000 bond on involuntary manslaughter charges. michael george is in oxford, michigan, where a community continues to grieve tonight. and ask questions questions abol of this even happened. good evening, michael. >> jericka, good evening. as that grieving process continues officials in wayne county say they've arrested sciks teens for makey copping cat threats at other schools menwhile calls are growing for an investigation into school officials actions leading up to the shooting. >> the oakland school district is facing questions about what it knew about the danger presented by a school shooter ethan crumbley. michigan's attorney general danah nessel is offering to investigate. >> i don't know that anybody will feel safe sending their kids back to school until they know what happened here. >> in a letter to parents saturday superintendent tim torne said a teacher saw crumbley making concerning drawings and written statements just hours before the shooting. his parents were called in. and the teen was sent to a counselor. but the school district says crumbley's answers lead counselors to again conclude he did not intend on committing either self harm or harm to others. he was sent back to class. prosecutors say just hours later he shot 11 people, killing four. >> it was concerning, the teacher in the classroom enough to ultimately call in parents. at that point we would have loved to have been. >> and the sheriff's office is also investigating a man they say aided the crumbleys by helping them hide in a vacant art studio. i spoke with the suspect's lawyer. he said he didn't know they were wanted at the time and is fully cooperating with law enforcement. jericka in? >> duncan: michael george, thank you so much. straight ahead, afghan evac u hes, we travel along with those escaping the taliban and speak to tores with no way out. scientists it on an erupting volcano in spain's canary island give new meaning to active research. and later, returning to pearl harbor, 80 years after the attacks.