By Allende Miglietta, David Morgan and Sarah N. Lynch WASHINGTON (Reuters) -The U.S. Secret Service’s new acting director said on Tuesday that he was “ashamed” of a security lapse that led to the July 13 attempted assassination of Republican presidential candidate Donald Trump, but blamed the shortfall on local law enforcement. In testimony before two Senate committees, Acting Secret Service Director Ronald Rowe said he visited the outdoor rally site in Butler, Pennsylvania, and climbed […]