the chilling images. students crowded on a roof ledge to escape the shooting at charles university. a crowd fleeing across prague s iconic bridge. the gunman, a student, also dead on the scene. also, tonight, the dangerous storm slamming the west coast. heavy rain and flooding, mud slides trapping cars and shutting down roads. we re tracking it. and it comes as holiday travel gets into full swing. a record number expected to fly this season. and the dangerous moments, the bird strike forcing an emergency landing. rudy giuliani after he was hit with that nearly $150 million verdict filing for bankruptcy. how the election workers he defamed are reacting. the setback in cease fire talks. what hamas is demanding before any more hostages are released. nbc news investigates the deaths of children in so many homes. was the government too slow to act? the rash in retail thefts this holiday season. is it really as bad as the stores say it is? and here comes santa claus.