in a gun-free zone. john, what's your advice to the president of the united states? >> well, my advice is that he stop pushing these proposals that wouldn't have stopped any of these attacks that he's talked about, that he's spent times giving speeches on and try to look at what facts are motivating these guys. they want this attention and they want to go to a place where they can't be stopped quickly. and to try that change that, try to get rid of some of these gun-free zones which are actually magnets for the criminals going in to do their tasks. >> you have made that crystal clear. john lott, the author of more guns, less crime. sir, thank you for joining frus tampa this morning. >> thank you. straight ahead, terrifying moments when a bridge collapses on a group of hikers. oh, my goodness. look at that. more of the video state straight