Disgraced figure skater Tonya Harding threatened to walk out of an interview with British TV presenter Piers Morgan after he pressed her on the 1994 attack on rival Nancy Kerrigan. "I appreciate being on your show, but I think I'm going to have to say, 'Have a good night,''' Harding, 47, said Tuesday in a satellite hookup between her hometown of Portland, Ore., and the London studios of ‘Good Morning Britain.’ Harding's appearance was intended to promote the new biopic, ‘I, Tonya.’ #InsideEdition