First, a takeover of leadership, then a renaming. Now, the Trump-Kennedy Center is facing canceled performances and a drop in overall ticket sales. Senior arts correspondent Jeffrey Brown reports on the turmoil at one of the nation’s preeminent arts centers. "The Kennedy Center has always stood for excellence in the arts, was named after President Kennedy. And he believed that the arts were at the center of all of our culture, all of our nation," Doug Varone told Brown after canceling a planned