NANTUCKET, Mass. – Chelsea Manning told a crowd at a “creative thinkers” conference in Nantucket on Sunday that she’s not an “American traitor” as her critics have claimed and she did what she thought was the right thing to do. Manning attended the annual conference for The Nantucket Project in Massachusetts. The Nantucket Project is a venture founded to bring together creative thinkers to uncover the ideas that matter most. Organizers say about 600 people attended. This was one of Manning’s first public appearances since being released from a military prison in May. The Associated Press was the only media...