Fans booed New Orleans Saints players who knelt before the presentation of the American flag and the singing of the national anthem Sunday at the Mercedes-Benz Superdome. The boos rang down during a moment of silence for fallen NOPD officer Marcus McNeil, who was killed in the line of duty Friday. The fans cheered when the players stood before the anthem, which was performed by former Saintsation Deri Tucker. Sunday's game vs. the Lions was the Saints' first at the Dome since President Trump weighed in on protesting NFL players during a campaign rally in Alabama last month. Officer Marcus...