Manhattan District Attorney Alvin Bragg on Thursday refused to cooperate with a rapidly expanding probe by House Republicans into the Stormy Daniels “hush money” case he’s pursuing against former President Donald Trump. In a letter to three GOP committee chairmen, a top Bragg aide said that “the District Attorney is obliged by the federal and state constitutions to protect the independence of state law enforcement functions from federal interference.” The Democratic DA’s general counsel, Leslie Dubeck, accused the Republicans — led by Judiciary Committee Chairman Jim Jordan of Ohio — of acting on behalf of Trump, 76, when they sent...