On Tuesday, New York City's MTA (Metropolitan Transit Authority) explained its September 2011 decision to reject an ad created by the American Freedom Defense Initiative on the grounds that it is "demeaning." It did so during a hearing to address a law suit filed by the anti-Islamic group, which claimed the MTA decision was limiting its free speech. Here is the proposed ad: I think this ad speaks for itself, as does the MTA's sensible decision to reject plastering it across New York City's subways. (The New York Times also recently refused to run the AFDI's ad, claiming it could…