WASHINGTON — Spilling out wrenching tales of lost lives and stolen security, students and parents appealed to President Donald Trump on Wednesday to set politics aside and protect America's school children from the scourge of gun violence. Trump listened intently to the raw emotion and pledged action, including the possibility of arming teachers."I turned 18 the day after" the shooting, said a tearful Samuel Zeif, a student at the Florida high school where a former student's [...]