A Broward man's Facebook postings have landed him in jail after federal authorities said he threatened to kill or harm President-elect Donald Trump. Kevin Krohn, 59, was arrested Thursday at his Pembroke Pines home after law enforcement informed the U.S. Secret Service agents who protect Trump about the postings. "I'm just glad Obama didn't take all our gunz! I see a good use for one now," Krohn wrote online above a picture of Trump that read, "He's not my president / He's an enemy of the state," agents wrote in court records. Krohn posted his remarks in a thread of...