As President Obama and Republican challenger Mitt Romney prepare for their second debate tonight at Hofstra University on Long Island, we speak with George Farah, author of “No Debate: How the Republican and Democratic Parties Secretly Control the Presidential Debates.” The debate will feature questions from the audience that have been pre-selected by moderator Candy Crowley of CNN — a detail revealed when Time magazine published the contract secretly negotiated by the Obama and Romney campaigns and the Commission on Presidential Debates.