 heightened security here, and make sure that an already secure event is even more so in the wake of this incident today. ABC's Stephen Portnoy, our national correspondent. Stephen, thank you. And staying in Milwaukee, Jim Ryan, you've been out on the streets tonight, and the overall feeling as we get ready to wrap up is what? Well, a sense of shock, I think, at what happened clear across the country over in Pennsylvania today. The delegates who have come here and people I've spoken with today in the street about what occurred out there.