they aren't saying what the space ship will be doing on this mission. very secretive. the signs in restaurants explaining the heimlich maneuver? good thing people pay attention. is he choking and matthew mcconnell comes over and begins using the heimlich maneuver. mcconnell doesn't think he is a hero. >> hero might be a little bit of exaggeration. >> he's definitely a hero, and if i wasn't a broke college student, we probably would have tipped a lot more than we did. >> you want to do the heimlich with enough force to lift them off their feet. about that tip, mcconnell said it was just fine. the iditarod sled dog race gets under way today.