terrifying shark attacks happened over the weekend in north carolina, what do we know, i will ask jeff corwin, i will give a piece of my mind to a film critic who say women can't undergod fellows. >> and jeb bush ajointed he is running for president today. he had a rally in miami. with release of fizz official -s official logo. we have remy mooney, and will ron, and jimm jim fell la, we ho talk about jeb bush, remy what do you think about this. there is a enthuse yaf enthusiah hillary clinton. what about bush? >> i think he realized he has an energy issue. everyone knows, i think he does too. >> he is getting a rose light now but probably not getting the final rose. >> in a ni nutshell. >> and logo? was it crafted he left last name off. >> you know bush name is something of an alb annal -- alr jeb right now. the struggle is proving he can overcome that. so far, this is beginning of phase two of his campaign, phase 1 he, not clear the bench, phase 2 he will have to be aggressive go after scott walker hard, and marco rubio hard, and overcome the name. >> jimmy, as someone who spends your days a

jeff corwin joins us, host of ocean mysteries on abc. eff how much in danger are the coral reefs and especially in the caribbean? from three >> david they are in terrible trouble. these tropical bath like waters warming even higher. it changes the acidity the chemistry of the waters. the foundation for life coral reefs can no longer collect the calcium carbonate they need. this goes for other ocean species. you have the impact of pollution, the impact of over-fishing, all of this comes together to create a perfect storm of extinction for coral reefs. >> people may be familiar with the great barrier reef along the coast of australia. the change in ocean temperatures is it affecting those as well? >> well, globally, we're seeing dramatic changes in water quality, water temperature and the impact that has on coral reefs. you could think of a coral reef ecosystem much like a rain forest is to a terrestrial ecosystem. a small little enclave of life that quaints just contains a great number of different species. southeast asia, indonesia and th

terrifying shark attacks happened over the weekend in north carolina, what do we know, i will ask jeff corwin my mind to a film critic who say women can't undergod fellows. >> and jeb bush ajointed he is running for pre

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. >> jeff corwin always great to see you.nk you so much. >>> coming up for us, a killer explains what he was thinking. the colorado movie theater shooter tells a doctor what was going through his mind as he shot his victims. >> i raised the shotgun and saw people were getting up in the back left corner so i, like, shot in that direction. >> a mother who lost her daughter in that shooting walked out of the courtroom when they played that tape. she'll join us live. >>> a car cut in half after an amtrak train smashes into it. we'll show you the incredible pictures and the whole situation how it played out ahead. big day? ah, the usual. moved some new cars. hauled a bunch of steel. kept the supermarket shelves stocked. made sure everyone got their latest gadgets. what's up for the next shift? ah, nothing much. just keeping the lights on. (laugh) nice. doing the big things that move an economy. see you tomorrow, mac. see you tomorrow, sam. just another day at norfolk southern. only t-mobile has america's best unlimited 4g lte fami

joining me by phone, wildlife biologist jeff corwin. good to have you with me.these two instances, what does that say about what happened? and is it the same shark? are they looking for one culprit here? >> it is unlikely the same shark. and it is most likely that these attacks are the result of mistaken identity. typically, sharks aren't targeting human beings and, of course they'll be biting any extremities underwater. they're not biting anything above water and toes and fingers and lengths and hands and limbs. >> what normally attracts the shark? or what makes it feel provoked that it needs to go after and mistake prey? >> well basically, thomas what's happening here is that this is the season. this is the time of year where great quantities of sharks migrate into their areas of the ocean where they actually reproduce and have their babies. and fortunately, when people are there and sharks are there, you can get accidents like this. what's really happening is that these animals are attracted to movement. they're attracted to scents in the water such as taste