Gen. Martin Dempsey, the top Pentagon officer repeatedly warned against the costs and potential entanglements of military involvement in Syria. Now he's testifying on behalf of the White House. The nation's top military officer warned repeatedly in recent months that getting US military involved with Syria is a dangerous proposition... Did he change his mind or is he just doing the White House's bidding? In the past, he has made it clear that US military intervention could tip the balance of power in favor of Islamist rebels who don't necessarily have the interests of the United States at heart...