 Congress doesn't do much of anything bipartisan anymore, especially not right now. But everybody wants to know who let whom down, what should have been done that wasn't done, and what changes need to be made, even if Congress has to order them and fund them, to prevent anything close to this from happening in the future. That's CBS News correspondent Scott McFarlane, who was at the rally where the deadly shooting occurred. CBS News Special Report. I'm Michael Toscano.