On Hillary Clinton. Thats right, well fire hillary. Hillary, youre fired. [ applause ] now clinton is talking togetherness, rolling like a nominee. And its contested convention or bust for anybody whos not trump. President obama spent 2. 5 hours meeting with saudi king salmon tackling thorny issues. Pushing for an intensified campaign against Islamic State. The longest drug tunnel ever found on the california mexico border. We seized over a ton of cocaine and three tons of marijuana. More rain is forecast for floodravaged houston this morning. There are still neighborhoods that look like this. Historic changes to the 20 bill. Abolitionist Harriet Tubman will replace Andrew Jackson. Yeah [ applause ] Queen Elizabeth is turning 90. Shell be celebrating all day and for the next couple of months. Happy birthday espn has fired baseball analyst Curt Schilling after he posted an insensitive message regarding transgender bathrooms. All that a softball game in virginia comes to a standstill when a dustdevil blows right through the middle of the field. Back and the roof pressure went through all that matters we are turning the Empire State Building the dark crimson, the red, that signifies donald trump. Trump won in new yorks most famous building turned dark crimson blood red. As was prophesieded. On cbs this morning we had a great night last night in new york. I like to imagine him in his tour looking over the city, rubbing his little hands together. What the shall happening . . Im winning, thats whats happening. This mornings eye opener presented by welcome to cbs this morning. Donald Trumps Campaign now sees a clear path to victory in the republican president ial race. A Campaign Memo obtained by the Washington Post predicts he will get more than the delegates needed to win on the first ballot of the gop convention. Trump is also shaking up his unconventional tactics and promising a more traditional approach. In an interview published yesterday, trump said his campaign is evolving and im not going to blow it. His top aides meet today with Party Officials at an important meeting of the Republican National committee. Major garrett is at the meeting site in california. Good morning. Reporter good morning. Speaking of the Republican National committee, it and donald trump simply cant seem to make peace. The rnc chairman, reince priebus, called the gop frontrunner yesterday, fulfilling his obligation to telephone every primary winner. In that conversation, the two were unable to reach a ceasefire over trumps persistent allegations of a rigged rnc rules system or resolve differences or when trump would participate in any more president ial debates. I walk to the voting booth, and they gave me a thing. I saw stiff, stiff, trump. Reporter in rallies in maryland and indiana, donald trump drew big crowds and reverted to his nasty side when referring to top rival ted cruz. Lying ted cruz, lying ted. Lies, he lies. Reporter that ended trumps flirtation with decorum. Senator cruz is just about mathematically eliminated. Reporter at his new york victory party, trump knows his big fight with cruz will come in indiana where cruzs strategy to deny trump the nomination by winning most of the states 57 delegates will be tested. Im millions of vote ahead, millions. Its a rigged, crooked system thats designed so that the bosses can pick whoever they want. Reporter cruz conceded he cant win the delegates required to secure the nomination. He predicted future contests in south dakota, washington, oregon, and montana will block trumps path. Im not going to reach 1,237, and donald trump is not going to reach 1,237. Reporter for cruz, the only option is to fight trump for delegate loyalties in cleveland in july. What is clear today is that we are headed to a contested convention. Reporter trump advisers still predict an outright nomination victory and a general election showdown. Hillary, youre fired. [ applause ] if she ever gets a chance to run, i think shes being protected. Reporter trump said a campaign against clinton would include criticism of her email scandal and possibly criminal charges if he wins the white house. You have a sixyear statute of limitations. Right. And certainly this falls within that period of time. Reporter trump advisers will meet with rnc members tonight and show them how trump can win the nomination. Cruz and john kasich made similar pitches here jed. Trumps narrative will be the only one based on plausible mathematics as opposed to hunches, intensions, and aspirations. Thank you. Bernie sanders tells supporters he can still win the democratic nomination, but the Associated Press says that Hillary Clinton can lose the rest of the primaries and still be the nominee. The Sanders Campaign says it raised 46 million in march compared to more than clintons 29 million. Both candidates spent about as much as they took in. Sanders will have to keep spending with five primaries coming up on tuesday. 384 democratic delegates are at stake. Nearly half are in pennsylvania where the latest poll shows that Hillary Clinton leads Bernie Sanders by 13 points. President obama is making a personal appeal to middle east allies to step up the fight against isis. The president met this morning with gulf arab leaders at a Security Summit hosted by saudi arabia. Margaret brennan is in riyadh with why the president is facing skepticism. Good morning. Reporter good morning. Well, saudi leaders say theyre confused by president obamas mideast policy urging them to share the neighborhood with iran, their longtime enemy, and a country that both consider to be a state sponsor of terrorism. Smiles for the cameras disguised in otherwise tense an otherwise tense summit with gulf leaders. The meetings focused on how to counter an explosion of mideast violence that they believe is being fueled by longtime faux iran. Its always a pleasure reporter the u. S. Brokered nuclear deal has also made rumors here deeply suspicious of president obamas intensions. Saudi leaders in particular feel he has jeopardized their status as americas key ally in the middle east. Deputy National Security adviser ben rhodes we certainly understand this is their neighborhood, theyre worried about iran and what its agenda is and the actions that theyve taken. Our point is simply that that concern with iran should not foreclose the potential for diplomatic engagement if theres an ability to resolve problems. Reporter president obamas arrival on wednesday was not met with the usual pomp and ceremony given to visiting leaders. It also wasnt broadcast on state tv, u. S. Officials denied that was a snub. In a twohourlong meeting yesterday, president obama tried to clear the air. But saudi leaders are looking toward the next u. S. President , when its Hillary Clinton or even donald trump. Despite all of this frustration, both saudi and american officials tell me that they need each other, and they are determined, charlie, to maintain this Strategic Military alliance. Thanks, margaret. Before the president returns if his overseas trip, i will go to europe and interview next week in germany. You can see the conversation tuesday here on cbs this morning. And more tuesday night on my pbs program. Looking ford that. Southeastern texas this morning is bracing for more thunderstorms. The houston area is struggling to recover from days of historic rain that killed eight people. A Traffic Camera captured dramatic video of one driver who gus frerotte trapped in the rising who got trapped in the rising water. Some homes and cars are still under water. Manuel, good morning. Good morning. The floodwaters are slowly starting to recede. There are so much that places like this apartment complex remain flooded with vehicles submerged. There are dozens of more vehicles in the distance behind me just like that, ruined. Rain has been on and off here for the past four days, further complicating the citys rescue and recovery efforts. After another round of soaking rains, streets still look like waterways. And many homes in the houston metro area are still under water. Im all the way here on the lefthand side reporter mike moore wanted to help so he rented a canoe and has been paddling his neighbors in and out for supplies. Why do you feel compelled to help . Its community. People here are suffering. Everybodys losing cars, jobs, live livelyhood. They need help. Reporter steven cobbs home was ravaged by floodwater. The people helping him, complete strangers. Cobb is thankful. I wouldnt be able to do it. All this can be replaced, but we live in the greatest community, the greatest city. Reporter the city of houston is trying to prevent future tragedies. This video shows the moments after claudia i cant drove around the roadblock, into deep floodwaters. The 25yearold drowned before a toll worker could reach her. Weve got to identify every location like that and put in place a barrier system that prevents people from driving in. Reporter although thunderstorms are in the forecast throughout the day, the system that dumped all this record rainfall here is now past with. With a city looking toward the weekend to dry out. Thank you. The damage from last weeks hailstorm in texas is being called the most expensive in the states history. Baseballsized hail shattered car windows and pummelled homes. An Insurance IndustryGroup Estimates the cost of deficit reduction at nearly 1. 4 billion. The United States has reportedly reached an agreement with volkswagen over the automakers rigging of diesel tests. It acknowledged last year installing software in cars this misled Customer Business emissions. A german newspaper reports the agreement calls for each affected vw owner in the United States to receive 5,000. Customers reportedly can also have their cars updated for free to comply with emissions regulations. Michigan Governor Rick Snyder calls the first criminal charges in the flint water crisis deeply troubling. Two state regulators pleaded not guilty wednesday to misconduct, evidence tampering, and violating Water Treatment laws. A flint City Employee is also charged. They failed in their responsibilities to protect the health and safety of families of flint. They failed michigan families. Indeed, they failed us all. I dont care where you live. Michigans attorney general warns this is only the beginning of the investigation. He says no one, including the governor, has been ruled out for possible prosecution. Police in Southern California say there are no obvious signs of foul play in the death of former wwe star chyna. She was found dead yesterday at her home in redondo beach. She emerged in the 90s to become one of the best known and popular female wrestlers in history. She often competed against the men. At one point, she was a wwe womens champion. After retiring from wrestling, she appeared in reality tv shows including celebrity rehab. She was 46. Federal investigators in Southern California say theyve found what could be the longest crossborder drug tunnel. They announced wednesday that the tunnels discovery led to a massive drug bust. The tunnel apparently stretches the length of more than eight football fields, from tijuana in mexico to san diego. We show how agents seized nearly 30 million worth of drugs. Reporter barely wide enough to squeeze a person through, this unassuming hole transforms into an elaborate underground maze. Clear. Reporter zig zagging for half a mile, the cramped, compact tunnel stretches across the u. S. mexico border, and investigators say its an unprecedented drug smuggling system. We believe this to be the longest tunnel that weve discovered in this district to date. Reporter as part of an eightmonth investigation, federal agents seized more than one ton of calk tons of cocaine and seven tons of marijuana worth more than 30 million. The tunnel stretched from tijuana to this Industrial Park in san diego where the drugs were loaded. Only about threefeet wide, the tunnel was remarkably complex. Ten feet down in this hole, its really a completely different story. It is equipped with a ventilation system and a commercial, large elevator that i would estimate could hold eight to ten people. Reporter investigators say this is the largest single seizure of cocaine related to a tunnel along the california make border. Most of the cocaine smuggled into the u. S. Comes in on small boats and even makeshift submarines. 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, sick people including one u. S. Citizen have been arrested in connection with this latest seizure, and they face Drug Trafficking charges. For cbs this morning, carter evans. A teachers aide in milwaukee is under arrest this morning after a video shows him manhandling a student. The video taken yesterday shows him pushing the 14yearold student to the floor. The student was treated for minor injuries. Another student in the class told our milwaukee affiliate, wdjttv, that the two were arguing before the attack. The Supreme Court is considering laws this morning that make refusing an alcohol test illegal. The eight justices heard oral argument yesterday. Its atrem in several states its a crime in several state to refuse a breathalyzer or drug test. Our report shows why some believe police should get a warrant first. Reporter good morning. The Fourth Amendment generally says that the government cant search you or your house without a warrant unless you give consent. It can suspend your license if you refuse a breathalyzer or a blood alcohol test. And in some states, that refusal can send you to jail. [ siren ] Police Across the country have relied on blood and breathalyzer tests to fight drunk driving. In 14 states, police can perform these tests without a warrant, and in some of those states, drivers who refuse could find themselves behind bars. Drivers in minnesota and north dakota filed the three cases under review after they were pulled over for suspicion of drunk driving. The search warrant is required in every case. Youre going to take more Police Officers off the streets. Reporter kathy kena is a government lawyer fighting against requiring warrants. The smaller jurisdictions where there are only one or two officers, and youre requiring them now get a warrant in every situation. Not only is the Public Safety on the road going to be affected but Public Safety in general. Reporter during the 70minute debate, some justices seemed to side with the state. Justice steven briar said, what is wrong with a breathalyzer test when it can save lots of lives and is given to people where there is probable cause . Other justices questioned when police could order a blood test for drugs and alcohol without a warrant. Justice anthony kennedy, youre asking us to make it a crime to exercise what many people think of as a constitutional right. Justice Sonia Sotomayor called the laws, a very drastic change, ask, did we dispense with a very important requirement in our law that before you search, particularly a person with a need or in an intrusive way, that you get a warrant . Critics say the law is pure government overreach and that police could easily get a warrant when theyre transporting a drunk driving suspect to the hospital where they do the tests. A decision is expected by june. Thank you very much. Queen elizabeth ii is britains first monarch to turn 90. [ boom ] boom is right. A gun salute marked the birthday beginning a series of celebrations there. Mark phillips is at Windsor Castle, west of london, where [ book ] the queen is greeting well wishers. Another boom. Good morning. Reporter good morning. Not too many 90yearolds get to celebrate their birthdays by taking a walk among a crowd of several thousand complete strangers, but when youre the queen, its part of the job. Normally this birthday clark is her real birthday, is an official state event celebrated in june. Normally this is a private affair, just with family and friends. 90 is special. The last time she did this was on her 80th. This is part of three days of public celebration of this event. Later today, she will light a big beacon bonfire here at Windsor Castle to be matched by similar bonfires and beacons across the country. There will be a family dinner this evening, which the princes say they will try to keep their grandmother up late. Thats not likely to interfere with another event tomorrow, a lunch with president obama, at which he will likely convey the birthday greetings of the former colonies. Norah . Aw. Mark phillips at Windsor Castle. Thats great at 90 that you can take a walk. Shes always got her purse. You ever wonder whats in the queens purse . She looks kind of like my mother. Yes. She looks great. How many generations will we see there . Theres pictures out with her grandkids, just darling. Absolutely darling. You could soon ditch your cable box and still get all your favorite channels. Ahead, how one cable giant is. New revelations about understand what in the days before a woman was killed in a texas church. Ahead, why someone who knew missy bevers thinks somebody was after her. The news is back in the morning right here on cbs this morning. After as their getaway car,t of foua new development e a prius prius owners from all over america have desc