President Obama canceled the operation to kill Osama bin Laden three times before saying yes, because he got cold feet about the possible political harm to himself if the mission failed. Instead of listening to advisors from the U.S. military, Defense, or even State, Obama was acting on the advice of White House politico and close friend Valerie Jarrett. Valerie Jarrett? This account comes from Richard Miniter's upcoming book Leading From Behind: The Reluctant President and the Advisors who Decide for Him. Miniter has written a half-dozen books on the war on terror. He is relying on an unnamed source...