Ted Johnson ABC News’ George Stephanopoulos sat down with Mary Trump, the president’s niece, on Tuesday for what is being billed as an exclusive interview about her new tell-all book.The interview will air on Good Morning America on Wednesday, the network said, and on other news shows.On Monday, a New York judge lifted a restraining order that prevented Trump from discussing Too Much And Never Enough: How My Family Created The World’s Most Dangerous Man.