An industrial state. And last saturdays contest, ted cruz was gaining on trump. John kasich was building a little steam. But marco rubio was largely left at the station. Going into tonight, trump leads cruz by 80 delegates. Major garrett is covering the race. Reporter as voters lined up in mississippi and michigan, donald trump looked for big victories, steadying a campaign that endured a week of criticism and ballot box defeats inch an interview with a cbs affiliate in kalamazoo, trump defended his lewd and aggressive language at detroit. I was attacked very viciously by the guy rubio who is doing cruz. You have to, you know, you have to fight back i think in my opinion. So far its worked for me. Hello. This is mitt romney. Reporter 2012 g. O. P. His promise to wage an anyonebuttrump campaign, recording robocalls on behalf of john kasich and marco rubio. If we republicans were to choose donald trump as our nominee, i believe the prospects for a safe and prosperous future would be greatly diminished. Reporter trailing trump in his home state of florida, rubio denied reports he might drop out before next tuesdays vote. Thats totally false. Reporter the Rubio Campaign accused ted cruzs camp of spreading the rumors, something cruz denied today, but cruz is making a strong play in florida to try to doom rubio to defeat. If you dont want to see donald trump as the nominee, and if you dont want to see Hillary Clinton as the president , which is the inevitable result of donald trump being the nominee, come join us, let us stand together. Reporter rubios camp is bracing for a listening night but remains confident about its prospects here. Rubio advisers believe they are vote, have the best statewide organization and contend antitrump attacks, theirs and others, are working. Pelley and that big vote in florida comes next tuesday. Major garrett, thanks very much, major. 166 democratic delegates are at at stake tonight in michigan and mississippi. Nancy cordes is covering those races. Hello. What is the breakfast strada . Reporter if the polls are right, michigan will serve up clintons 12th win tonight. The polls are now open. Reporter mississippi her 13th. At her final michigan rally, clinton warned voters not to become complacent. The sooner i become your nominee, the more i can begin to turn my attention to the republicans. Reporter like clinton, sanders invested heavily in michigan. The states Manufacturing Base was natural target for his critiques of free trade. She has supported virtually every one of these disastrous trade agreements. A wrench in that message yesterday. I voted for the auto bailout. He voted against it. That is absolutely false. Reporter sanders was forced to spend the final day of the race explaining his votes seven years ago. And of course i voted to defend the automobile industry. We know, bernie, we know reporter trailing in the delegate count, hes running out of places to stage a comeback. Jeff weaver is his campaign manager. If you dont win in michigan, what does that say about the other states . I dont think it says anything about those states. We narrowly lost massachusetts. What did that say about maine or New Hampshire or vermont . Reporter sanders won big in all three. In fact, hes won nearly as many states as clinton has, but shes won in the largest states, and tonight, scott, shes here in where she is leading in the polls ahead of next weeks primary. Pelley nancy, thanks. We turn now to john dickerson, anchor of face the nation. John, what do you expect tonight . Reporter well, what im looking for, scott, is if there is any weakness in donald trump. Hes expected to do well, but hes been attacked in a much more forceful way in the last week or so. In mississippi, was ted cruz able to convince the more conservative electorate there that hes the genuine conservative and not trump . In michigan, mitt romney is favorite son. Did his criticisms of trump affect the way people voted who made up their miesdz in the last few days, or is there any evidence that these attacks have made trump Strong Center the candidates will be doing the same sifting of the results for some clue of how to beat trump in the next week in those winnertakeall contests. If trump wins in ohio and florida, it will be nearly impossible to stop him. Pelley john, thanks very much. In another posh story tonight, a u. S. Army veteran who served in to death today by a palestinian while visiting the israeli coastal city of joint chiefs of staffa. Jaffa. He was from lubbock, texas. Margaret brennan is at the white house tonight following this. Margaret, what can you tell us . Reporter well, 28yearold taylor force was fatally stabbed just outside tel aviv today. Israeli tv has been running this unconfirmed eyewitness video of the alleged killer running away from the scene. Now, he was gunned down and killed but not before he injured nine others. Force was in israel to study tech startups. He was a Business School student at vanderbilt university, and according to his online bio, he was a west point grad who had served in the u. S. Army in both iraq and afghanistan. Now, scott, the white house has already labeled this a terror attack, and it actually took place as Vice President joe biden was in israel for an official visit. In fact, he was just a mile away when it happened. Tonight. Margaret, thank you. Tonight the Southern Plains are getting pounded by violent weather, including tornadoes, hail and high water. Manuel bojorquez is in north texas. Yes, thats a tornado. Reporter bystanders captured cell phone video of a funnel cloud as it tore through hood county, texas. When it was over, damaged homes could be seen for miles. In nearby stephenville, the roof was sheered off of this apartment building, leaving furniture and belongings exposed. Officer Barrett Wilson helped people evacuate. Started going door to door. Started kicking them in, checking and seeing where the damage was and who was hurt. Reporter he didnt have to go far. He lives in this building, too. What did it sound like . A lot of loud wind, everything crashing down around you. I was waiting for my apartment to crash down. Luckily it didnt. Everyone made it out okay. Reporter the same system brought blinding rain and winds dallasfort worth area. It rocked this gas station awning back and forth before it toppled over. The wind was blowing really hard. I had two cars underneath. We got them out just before it fell down on to the pump. Reporter water rose quickly in dallas suburbs, leading to rescues, not just from cars but from this school bus. Six children were taken from thighhigh water to safety. Despite extensive damage like this, the only stormrelated death so far is man whose canoe capsized near houston. Scott, the threat is not over yet. The system could dump up to a foot of rain as it moves on to louisiana and arkansas over the next two days. Pelley manuel, thanks. It was soaking rain in Northern California that may have caused a commuter train to derail last night. John blackstone is in alameda county. Reporter the priority today is clearing the tracks of the disabled fivecar commuter the most challenging part, lifting the car that slid some 50 feet down a steep bank into a fastflowing river. Last night it was a scene of sudden chaos and peril. Were having a difficult time figuring out how were going to access anybody on this train. Reporter the call to the local Sheriffs Department came just after 7 00 p. M. A commuter train carrying 214 people had run off the tracks. At that moment i realized something was wrong, so i held on to the rail. And right then the train flipped over. Reporter the lead car landed in the stream. Water was rising quickly. I just prayed that everyone was going to be okay. It was scary. Its still scary. But, you know, somebody was watching over us tonight. Everybody got out. Reporter officials suspect a mudslide caused the crash after a soggy weekend in the San Francisco bay area with three to four inches of rain falling in the canyon where the train derailed. There were a few injuries, but none was lifethreatening. Weve had nine people that went to the hospital. I call it a minor miracle. Reporter Railway Officials expect to have this cleanup work finish and the track cleared by tonight, and, scott, theyre hoping to have the line open and ready for service tomorrow. Pelley john blackstone, thanks. On wall street today, stocks closed lower in part because of the economic slowdown in china. The communist government there is struggling to manage enormous debt, shaky stock markets and a growing perception that it may not be equal to the task. Seth doane is in beijing. Reporter at this beijing job fair, those searching for work told us its getting tougher. Does chinas slowing economy affect you personally in any way . Yes, i can feel the pressure, niu sisi told us. The economy is slowing and theyve spent massive amounts of money building unnecessary things. Reporter peking University Finance ProfessorMichael Pettis says china faces a debt crisis after borrowing tens of trillions if iffy investments in shipping. Beijing has never gotten its arms around the problem of debt. Until it does, things will continue to get worse. Reporter now china is trying to rebalance its economy, leading to massive layoffs in governmentowned industries. But amid the back drop of labor protests. China is fully capable. Reporter state media has run a slew of glowing, goodnews stories. President xi jingping visited top state Media Outlets in february, urging the press to pledge loyalty to the communist party. Its an effort to control the story and project stability. The fear is that its still mismanage the process and for it to be much more disruptive than expected. Reporter chinas government has tried to convince the world that its economy is not in peril, but its still not clear if thats just wishful thinking. Seth doane, cbs news, beijing. Pelley a trailblazer for women has died. Elizabeth strohfus earned two congressional gold medals for her work as a world war ii military pilot. She was 96 and will be buried in her native minnesota. Strohfus and women like her, however, are not eligible to be military cemetery. That is a battle that is not over. Heres david martin. Reporter Elaine Harmon was one of a chosen few, the Wartime Service immortalized in news reels. First woman in the history of america to fly military aircraft. Reporter she was a wasp one of about 1,000 who signed up during world war ii when a shortage of male pilots forced the military to do what it had never done. The Training Program is exactly the same one the male cadets are going threw all over the country. Reporter the wasps were not sale into combat but remained stateside. Her mission was to train mail pilots that needed either refresher courses on planes or to learn about new planes that were coming out. Reporter her grandmother died last year at 95. What were her wishes . Her wishes were to be innerred at arlington, cemetery. Reporter she had even left handwritten instruction, but the director of arlington denied the request, saying serving in the wasps is not the same as active duty service as a member of the department of defense. Family. Sexism and gender discrimination is the only issue that did not allow them to be of women in the family. Reporter elaines family turned to congresswoman martha mcsally, who became one of the first female combat pilots following a path first blazed by the wasps. Think about the irony. The military Just Announced theyre opening up all positions for women to serve in uniform, at the same time theyre closing the gates to arlington on the pioneers who paved the way. Reporter officials at arlington say allowing wasps to be buried there would set a precedent for hundreds of thousands of other americans like the merchant marine who also served in world war ii. That would increase the waiting time for burial, which already can be up to ten months. Thats about how long Elaine Harmons ashs have been stored in her granddaughters closet, waiting to find a resting place. David martin, cbs news, Arlington National cemetery. Pelley today a new warning about the zika virus, and sponsors fall out of love with evening news continues. A humpback calf and its mother are almost inseparable. 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Dont dilute or mix toujeo with other insulins or solutions as it may not work as intended and you may lose blood sugar control, which could be serious. Pelley pregnant women must stay out of countries affected by zika virus. That was the warning today from the world health organization, and it applies to nearly 30 countries in the americas. Dr. Jon lapook reports. All of this news is alarming. Reporter dr. Margaret chan, director general of the world health organization, says zika virus is such a threat we need immediate action. Zika has been found in fetal brain tissue, and just last week scientists proved the virus can directly destroy nerve tissue. Evidence like this offers more proof the virus itself is causing birth de defects and miscarriages. Sexual transmission is more common than previously thought. In addition, Nine Countries report an increase in Guillain Barre syndrome, a neurological condition that can affect anybody, not just pregnant most patients recover, but it can cause weakness, paralysis and even death. The who now says pregnant women should avoid travel to areas of zika outbreaks and pregnant women whose sexual partners may have been exposed to zika should practice safe sex or abstain from sex during the pregnancy. Pelley jon, thanks very much. Well be right back. The roles you play in life are part of what make you, you. And youre not going to let anything keep you sidelined. Thats why you drink ensure with nutritious calories, 9 grams of protein and 26 vitamins and minerals. Come on grandma giving you the strength and energy to get back to doing. What you love. Ensure. Always stay you. My dad gave me those shares, you know. He ran that company. I get it. But you know i think you own too much. Gotta manage your risk. 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