By Julie Pace, AP White House Correspondent WASHINGTON — For Donald Trump, the mass shooting in Florida was a moment to redouble his call for tougher action against terrorism and to take credit for “being right” about the threat. For Hillary Clinton, it was a time to choose words carefully and reiterate her call for keeping “weapons of war” off America’s streets. Photo courtesy of YouTube The responses of Trump and Clinton to the deadliest mass shooting in modern U.S. history — 50 were killed and 53 were injured — were a study in contrasts for the two presumptive presidential nominees — one of whom will soon be leading a country fearful of terrorism, gun violence and the often merciless intersection of the two. The motive behind Sunday’s early morning rampage at a gay nightclub in Orlando was unknown when Trump and Clinton began weighing in — although a law enforcement [...]