Arianna Huffington, founder of the liberal leaning news site The Huffington Post, has criticized the Obama campaign for an ad suggesting that Mitt Romney wouldn’t have killed terrorism kingpin Osama bin Laden, calling the move "despicable." In May 2011, President Barack Obama authorized the raid that did away with the al Qaida leader. But a video ad released by the Obama campaign last week, which included former President Bill Clinton trumpeting Obama’s achievement, also had wording which suggested that presumptive GOP presidential nominee Romney might not have made the same decision. "I don't think there should be an ad about...