US President Donald Trump showed off his new White House helicopter landing pad on Monday, attempting to brush aside a First Amendment firestorm even as major television networks kept their cameras away in protest of CNN being banned from the grounds. A light drizzle fell on the South Lawn as Trump used oversized gold scissors to cut a red, white and blue ribbon. He then exchanged handshakes with officials and some members of a construction crew wearing green smocks and hard hats – seeking to...