By supple, llc. In another important story, houston got no break today from relentless storms as rivers and creeks rise so do the bills. And Manuel Bojorquez is there. Reporter for a fourth day, creeks swollen, spilling into neighborhoods and paralyzing parts of the city. So no customers can be here right now . No. Sabino hernandez says the flooded parking lot of the restaurant will shut him down for a week. How much will you have lost . At least 5 f. Reporter in a week, 5,000 . Yes, sir, easy. Reporter the losses are adding up. Close to 2 billion by one estimate. I didnt know it would be so bad. Texas a m professor says geography and urban sprawl are proving to be costly combination. Between 1996 and 2011 this area increased its pavement by 25 . And, the water has snowe where to run except for into peoples reporter brody estimates that roughly every ten square feet of pavement in houston equates to 4,000 in extra flood damage. In 11 years the citys flood costs totaled 3. 5 billion in just insured losses. Reporter this kind of damage, Economic Loss will continue . It will continue and our data shows it is spiraling upward not just here but nationwide. Reporter brody says one solution is to build higher, scott, this apartment complex was built on stilts. Though the parking lot its flooded and cars submerged. We are told all the units were spared. Manuel bojorquez in the thick of it this evening. Manuel, thank you. In the race for the republican president ial nomination, frontrunner donald trump now has 68 of the delegates he needs. And he has a new man plotting strategy to get the rest. Here is major garrett. Reporter meeting in florida members of the Republican NationalCommittee Reject aid move to give individual delegates more clout at this summers convention. Rnc rules Committee Member randy evans. We played this much of the game under one set of the rules. It would be unfair to change the rules in the middle of the game. Claims that the nomination process is unfair. Especially if the fight goes to a contested convention. Trump complained the delegates could supersede voting results, for example, trump won all 50 delegates from South Carolina but that victory could be shortlived. State chairman matt moore. Delegates in South Carolina are free agents on a second ballot and beyond. Cant predict what they will do. Paul manofort is trying to smooth tensions with the committee. Creating transparency with elections and how delegates are not for this cycle. But for the next four years. So he is going to live within the rules for this campaign as theyre written. We are winning with these rules. Manofort told us trump will win the nomination on the first ballot. Were convinced we will win on the first ballot. It will be obvious in middle of nominee. Reporter manofort told us trump expects to sweep all five primaries next tuesday and predicted Party Regulars will see him as presumptive nominee. Scott, ted cruz is bracing for defeats but looking to primaries in may to if possible, derail the trump train. Might be a new Trump Campaign with professionals like manofort on board now. Major garrett reporting for us now. Thank you. Now to the democrats and what is looking more and more Like Campaign impossible for bernie sanders. Here is nancy cordes. Reporter in scranton, pennsylvania, sanders was still smarting over his 16 point loss next door. We just had a democratic primary in new york state the other day. [ crowd boos ] reporter determined to stay in the race. Sanders insisted in a fundraising pitch that we still have a path to the nomination. He would have to win, 60 of all pledged delegates in the 15 states remaining. And new polls show him trailing by 13 in pennsylvania, 25 in maryland, and 9 in connecticut. I love coconut cake. You do . I do. Reporter where clinton was today scoring this offbeat complyment at one of our town halls. You are very human. I dont care what they say, but you are very human. So, good luck hi, how are you. Clintons aides are openly urging sanders to follow that lead. And be a little nicer to the likely nominee than he was in new york. But i do question her judgment. Reporter a top sanders aide told cbs news they need to look in the mirror. Arguing she is the one who went negative first. Still, sanders did go easier on clinton today. In fact, barely mentioned her. Scott, despite the long odds, his supporters clearly want him to press on giving him 46 far more than any other candidate on either side. Remarkable fundraising machine. Nancy cordes, thank you very much. Today, chicago mayor rahm emanel ordered faster investigations of Police Shootings and misconduct cases. 45 days in most cases. Took 13 months and court order for release of a video showing a chicago skop shooting a black teenager 16 times and killing him. Only then was the officer charged with murder. The cia is expanding death benefits to all employees killed in acts of terrorism. Until now, employees were only entitled to a payout if they had a spouse or children. The change will help families like, that of glen doherty, cia contractor killed when the u. S. Compound in benghazi was overrun. The benefits are retroactive to 1983 which will cover the facilities in lebanon. A man who caused day tremendous security scare on a tiny aircraft, was sentenced to day. And, britain celebrates a royal milestone. Right back. Today, vw agreed to buy back diesel vehicles fraudulently rigged to pass emissions tests they should have failed. Details of the settlement with the Justice Department are still being worked out. We learned today that the fbi paid more than a Million Dollars to a private Computer Security team that helped it break into an iphone belonging to one of the San Bernardino terrorists. The fbi found no links to Foreign Terrorists on the phone, but director james comey said today it was still worth it. Today an expostal worker got four months in federal prison for landing a gyrocopter on the ground of the u. S. Capital last year. Douglas hughes pleaded guilty to flying without a license. Hughes who is 62 says he was calling attention to corruption in politics. The olympic torch was lit today from the rays of the sun at the site of the ancient games the torch will be carried on a 15week journey to Rio De Janeiro where the Olympic Games will be august 5th. Great britain says happy her story is next. A first today for elizabeth ii. No british monarch had ever turned 90 before now. Mark phillips is in london. The queen is normally a stay at home birthday girl, no hardship when your home is windsor castle. When it is the big 90. You are the oldest, longest reigning monarch ever, it calls for a public appearance. An elvis number provided the sound track for a visit to a post office. Elvis may be the king of rock n roll, but this monarchy has definitely not left the a new stamp shows three kings in waiting and because of the reign says Prince William theyre well trained. It has been a real sort of guiding example of of just what, sort of a good monarch can be. Reporter for a good monarch the first requirement its to be seen. And if 90yearold legs will only carry one so far, 94yearold legs on prince philip. Then enter the queen mobile. Perhaps her most welcome birthday present. 90 years, 64 of them as queen. But there are two queens. The official dutiful one and the private one. And few understand both better than Margaret Rhodes, who has been a friend since childhood. Do you call her on a first name basis. By her childhood name, lilibet. Reporter lilibet knows she is there to provide one thing continuity. We have prime ministers by the dozens. But we have the queen who is always there, you know. Does all the thing shes has been to do, putting on a crown and Opening Parliament. At the same time, she likes to take her dogs for a walk. And, and, talk to the ponies. And pull out weeds as she sees them. You know she is a mixture. Reporter elizabeth at 90. Thats how he rolls. Mark phillips, cbs news, windsor. In a moment, prince. Approaching medicare eligibility . Dont put off checking out your Medicare Options until 65. Now is a good time to get the ball rolling. Medicare only covers about eighty percent of part b medical costs. The rest is up to you. Thats where aarp Medicare Supplement insurance plans insured by Unitedhealthcare Insurance Company come in. Like all standardized Medicare Supplement insurance plans, taking informed steps really makes a difference later. Thats what it means to go long. Call now and request this free decision guide and explore the range of aarp Medicare Supplement plans. All plans like these let you that accepts medicare patients. These are the only Medicare Supplement insurance plans endorsed by aarp. Call now and request your free decision guide. And start gathering the information you need among the tributes to one of the most Innovative Artists of modern times was this one from the minnesota twins, bathing posting the message, good night, sweet prince. Linmanuel miranda, author and star of hamilton. Step away from your computer, walk around, blast some prince. Its the only thing that has saved my day, it may save yours. From paul mccartney, god bless this creative giant. Thanks, prince. Love paul. Thats the cbs evening news tonight. But we are going to leave you with more of the music of prince. It is from one of his greatest performances. Halftime at the super bowl in miami, 2007 on cbs, singing purple rain in a downpour. I never meant to cause you any sorrow i never meant to cause you any i only wanted one type to see you Laughing Baby well i think music, not only should it be entertaining, but it should try to uplift you in some form or fashion. Purple rain purple rain purple rain purple rain thats all right. Come on, yall i think thats the purpose of music. It is to make light of, of an otherwise dire situation. You know you take music out of your world its going to be pretty dark. Only want to see you thats the overnight news for this friday. For some of you the news continues. For others just check back with us a little bit later. Well have the morning news and cbs this morning. From the Broadcast Center in new york city, im scott pelley. Announcer this is the cbs overnight news. Welcome to the cbs overnight news. Im don dahler. President obama is in london second leg of his International Trip started in saudi arabia and will continue to germany. In britain the president will referendum whether to leave the european union. The white house wants britain to remain part of the european union, fearing it would cripple the economy and undermine western security. Security was on the president s mind at his first stoch in saudi summit of gulf leaders. At top of the agenda, the battle against isis. Margaret brennan reports. Reporter while saudi rulers say theyre confused by president obamas mideast policy urging them to share the neighborhood with iran their long time enemy and a country that both consider a state sponsor of terrorism. Smiles for the cameras disguised an otherwise tense summit with gulf leaders. Todays meetings focused on how to counter an explosion of mideast violence that they believe is being fueled by long time foe iran. Reporter the u. S. Brokered nuclear deal also made rulers here deeply suspicious. Saudi leaders feel he jeopardized their status as americas key ally in the middle east. Ben rhoads we understand this is their neighborhood, theyre worried about iran and what its agenda is and actions that they have taken. Our point is simply that that concern with iran should not foreclose the potential for diplomatic engagement if there is ability to resolve problems. Reporter president obamas arrival on wednesday was not met with the usual pomp and ceremony given off to visiting leaders. It also wasnt broadcast on state tv. But u. S. Officials denied that was a snub. In a twohour long meeting yesterday, president obama tried to clear the air with king solomon. But frustrated saudi leaders are looking towards the next u. S. President whether Hillary Clinton or even donald trump. Mideast politics to british pomp and circumstance. The president and mrs. Obama are having lunch with Queen Elizabeth celebrating her 90th birthday. Mark phillips is in london. If proof is needed that queens are not like you and me their birthdays are a good place to start. Queens get two of them. The real one which for Queen Elizabeth is today. An official one with all the state trappings which is in june. Even for queens, this is the one that counts. The choir sang return to sender as the queen began her birthday celebrations visiting a post office. Elvis may be the king of rock n roll but this monarchy definitely hasnt left the building. As the the new stamps issued for the queen any 90th indicate it will be around for a while yet. One queen and three kings in waiting. According to the second in line, best possible teacher. I think the queens duty and her service her tolerance, her commitment to, to others, i think thats all been incredibly important to me and its been a real, sort of guiding example. Of just what sort of a good monarch scan be. Can be. A 90yearold monarch on the throne for 64 years. Maybe thats why the next choir sang when im 64. The queen has witnessed so many milestones over her long life. A collection of 90 photographs taken over 90 years pulled together in celebration. But this is a private milestone too. And the latest photo of the queen with her youngest grandchildren and her great grandchildren may be the most personal. Thats 11monthold Princess Charlotte in her arms with child, Prince George in the short pants just beside her. People who know her say there are two queens. The public dutiful one and the private one, a country girl at heart, where she can be herself. He designed no one knows that better than Margaret Rhodes who has known the queen since childhood and still enjoys a private friendship with her. What do you call her, her majesty, or on a first name basis . I call her by her childish name. Lilibet. Lilibet to you. Yes. Does she still respond to lilibet . Reporter and lilibet at 90 is showing few signs of slowing down. Other members of her family now fill in at some official engagements, but she still does plenty of them herself. Being there its what the job is we have prime ministers by the dozen. We have the queen who is always there. You know . I think that gives people a sense of safety some how almost. You know . And, and i think that she herself would does all of the things that she is to do, putting on a crown and Opening Parliament and things like that. But at the same time, she likes to take her dogs for a walk, and, and, talk to the ponies, and pull out weed as she sees them. You know, she is a mixture. Reporter federal investigators in Southern California have unearthed what is believed to be the longest cross border drug tunnel. The tunnel stretches the length of more than eight football fields from tijuana in mexico to san diego. The discovery led to a 30 million drug bust. Carter evans has the story. Reporter barely wide enough to squeeze a person through, this unassuming hole transforms into an elaborate underground clear. Zigzagging for half a mile. The cramped compact tunnel stretches across the u. S. Mexico border andinvestigators say, it is an unprecedented drug smuggling system. We believe this to be the longest tunnel that we have discovered in the district to date. Reporter as part of an eightmonth investigation. Federal agents seized more than one ton of cocaine and seven tons of marijuana worth nearly 30 million. The tunnel stretched from tijuana all the way to this Industrial Park in san diego where the drugs were loaded. Only about 3 feet wide, the tunnel was remarkably complex. 10 feet down in this hole, it is really a completely different story. It is equipped with a ventilation system. And a commercial large elevator that i would estimate could hold 8 to 10 people. Reporter investigators say this is the largest single seizure of cocaine related to a tunnel along the california mexico border. Most of the cocaine smuggled into the u. S. Comes in on small boats. We saw this firsthand when we traveled with the coast guard last year following a record 200 million drug bust in the pacific. So far, six people including one u. S. Citizen have been arrested in connection with the latest seizure and they face Drug Trafficking charges. Carter evans. The cbs overnight news will be right back. Breyers Peanut Butter gelato, rich chocolate sauce. Peanut butter cups. Tonight is perfect. Can someone read me another story . Daddd . Mmm coming breyers gelato indulgences the worst thing about toilet germs . They dont stay in the toilet. Disinfect your bathroom with lysol bathroom trigger. Lysol power foamer. And lysol toilet bowl cleaner. To clean and disinfect in and out of the toilet. Reikers island is the biggest jail in new york city and one of the most violent in the nation. Some violence is blamed on Corrections Officers who work nine rikers officers are on trial right now chared with beating a prisoner three years ago and covering it up. Since 2012 more than 50 Corrections Officers faced charges including assault, falsifying reports and smuggling contraband. Bill whitaker took a look behind the prison bars for 60 minutes. What you really