 We're headed to Milwaukee, me included, with a pretty historical moment on our hands where we have a assassination attempt 24 hours before a major nominee. Our convention kicks off. Burgott says feelings about the two candidates, pro and con, are, in his words, on steroids. Security around Milwaukee's Fiserv Forum, where the convention will be held, was already going to be very tight. But Saturday's shooting will intensify the law enforcement presence. Dan Ronan, WTOP News.