It only took a public thrashing to get Obama and pals to figure out that hey, maybe we want to get this Christmas Day Bomber to cooperate after all: The Nigerian man accused of trying to use a bomb hidden in his underwear to bring down a Detroit-bound airliner on Christmas Day has been cooperating with investigators since last week, discussing his contacts in Yemen and providing intelligence in multiple terrorism investigations, officials said Tuesday. Umar Farouk Abdulmutallab’s cooperation could prove to be a national security victory and a political vindication for President Barack Obama, who has been under fire...