Cowan, who said he had grown increasingly uncomfortable with the "twisted version of reality" becoming pushed on analysts in briefings, called the Pentagon to provide "a heads up" that a few of his opinions on Fox "may not all be helpful," Pentagon data display. Mr. Rumsfeld's senior aides swiftly arranged A non-public briefing for him, but when he instructed Invoice O'Reilly that the United States was "not on a superb glide route right now" in Iraq, the repercussions have been…