be fine for now. >> reporter: hug the ground. shannon: thanks, gregg. a high profile trial test the limits of self-defense. a man once hailed as a hero is now being thrown behind bars for murder. we'll update you on that. mitt romney making a critical visit to the big state of iowa today. he's reaching the top of of the polls for the gop field. we are live i des moines with te man who could be the republican nominee. shrimp research, boiled, baked or fried, you'll love the video, we have it just ahead. [ twig snaps ]