It would appear someone at NBC News got a rather large tap on the shoulder. In what is a stunning reversal of their confirmation that President Obama lied and lying about the killing of bin Laden, NBC News has updated their original story - that "two intelligence sources tell NBC News that the year before the U.S. raid that killed Osama bin Laden, a 'walk in' asset from Pakistani intelligence told the CIA where the most wanted man in the world was hiding" - to this - "Sources say that while the asset provided information vital to the hunt...