… a lot of the reporters were asking, ‘how come you don’t seem more exuberant?’ It’s funny because that fist pump got so much play. That was our celebration. What I’ve told the reporters is that it’s because as I’ve traveled over the course of the last 16 or 17 months and I meet people that are struggling… you really do get this enormous sense of obligation. We don’t have an option now…. If I’d lost Iowa, it would have been over. One of the other Democrats would have emerged… But because we won, we now have no choice. We have to win.”