 an American citizen killed, all simply exercising his freedom to support the candidate of his choosing. We cannot, we must not go down this road in America. Mr. Trump now in Milwaukee, where the Republican National Convention gets underway today, and our White House correspondent Greg Cluxton is there. Throughout this four-day convention, delegates will be hearing from GOP officials, lawmakers, and candidates, plus a variety of other guests. They include TV host Tucker Carlson, Teamsters president Sean O'Brien,