 Today was the first rally for the two of them together since the official nomination of president and vice president, as well as the first rally since that failed assassination. Following that assassination attempt, Secret Service Director Kimberly Cheadle is expected to appear before Congress next week to answer some questions. Lawmakers are raging at Cheadle over a lack of transparency. Four Senate Republicans even dogged Cheadle through the hallways of the Republican convention in Milwaukee.