why does he need, he's got his theory here, gary emanuel is his friend, he can work this out. here is the problem right here. the thing here is that the hurricane start to mix up the ocean and we produce all sorts of sea spray and there's a lot of complexity that's going on. it's not clear how much this is going to go up. that's what we want to know. we know the oceans are warming up. they are warming up due to greenhouse gases affect. there are warming up and we should get stronger storms. how much stronger? who knows. we can't work it out. we simply cannot work it out because of these air fluxes. that is one theory. just to review. in up and out, the theory of how storms intensify through the heat engine. your car has an engine, it works on simple ideas. it's not as a efficient. let me see if i can humor you a little bit on this. you said statistical theory that was worked out in the mid- 20th century, suppose for example we record the highest speed in ten hurricanes. let's say god to 34 and a half meters. second. i'm a scientist. i apologize for that already, but that's wha

coming up, mayor rahm emanuel potsch: you each drive a ford pickup, right? (in unison) russ, leland, gary: yes. gary: i have a ford f-150. michael: i've always been a ford guy. potsch: then i have a real treat for you today. michael: awesome. potsch: i'm going to show you a next generation pickup. michael: let's do this. potsch: this new truck now has a cornerstep built right into the bumper. gary: super cool. potsch: the bed is made of high-strength steel, which is less susceptible to punctures than aluminum. jim: aluminum is great for a lot of things, but maybe not the bed of a truck. potsch: and best of all, this new truck is actually- gary: (all laughing) oh my... potsch: the current chevy silverado. gary: i'm speechless. gary: this puts my ford truck to shame. james: i'll tell you, i might be a chevy guy now. (laughing) poallergies?reather. stuffy nose? can't sleep? take that. a breathe right nasal strip instantly opens your nose up to 38% more than allergy medicine alone. shut your mouth and say goodnight, mouthbreathers. breathe right. when this guy got a flat tire in the middle of

emanuel, thank you. >>> all right, breaking news out of missouri this morning. a manhunt is underway for a suspect who killed a police officer. officer garyhael was shot overnight when he made a traffic stop in clinton, missouri. police say the suspect got out of his car, fired at the officer before running away. officers think the suspect is still in the area, believed to be armed and dangerous. officer michael, 37 years old, was a member of the police department for less than a year. we will certainly keep you posted on this. we'll be right back. these days families want to be connected 24/7. that's why at comcast we're continuing to make our services more reliable than ever. like technology that can update itself. an advanced fiber-network infrustructure. new, more reliable equipment for your home. and a new culture built around customer service. it all adds up to our most reliable network ever. one that keeps you connected to what matters most. >>> now to a cnn exclusive. one of the most violent battle nooe battlefields in syria, just outside it will golan heights now experiencing a bit of calm, a cease-fire brokered by the u.s. and r