WASHINGTON, July 14 -- Rep. Ruben Gallego, D-Arizona, issued the following news release: PHOENIX, Arizona -- Rep. Ruben Gallego (AZ-03), sent a letter to U.S. Secret Service Director Kimberly Cheatle calling for accountability and demanding answers regarding the security failure that enabled the assassination attempt on President Trump. "Yesterday's incident, which led to the tragic death of an onlooker and several injuries, including to President Trump, raises grave concerns regarding the sec  more