U.S. Sen. Rand Paul confirmed to reporters Monday that he and staffer Jack Hunter — the former shock jock known as the Southern Avenger — were parted ways in a “mutual decision.” Paul said he hoped that Hunter’s presence on his staff wouldn’t undermine his efforts to broaden the appeal of the Republican Party. Paul has reached out to African Americans, for instance, speaking at historically black colleges in Washington, D.C., and Louisville. “I think everybody occasionally has people that work for them who sometimes have a background that damages what you’re trying to do,” he said. “But I think...