There was a surreal scene at the Republican National Convention on Wednesday as irate senior senators chased the embattled director of the U.S. Secret Service into a women's bathroom. 'You answer to us!' 'You can't hide from us!' Senators Marsha Blackburn and John Barrasso shouted and pointed angrily - pursuing Secret Service director Kimberly A. Cheatle through the lobby of Milwaukee's Fiserv Forum and up a flight of stairs.