WASHINGTON (Reuters) - Former Playmate of the Year Anna Nicole Smith got her U.S. Supreme Court hearing on Tuesday, when her lawyer argued she should collect millions of dollars she claims her late Texas oil tycoon husband had promised her. At one point during the hour-long arguments, the 38-year old blond widow, dressed in black and sitting in the spectator section, became emotional and started crying, a witness and her lawyer said. Smith, who formerly also has hosted her own reality television show, did not talk to the crush of reporters, photographers and camera crews when she entered and left...