McKinsey & Co., a management consulting firm, is wrapping up an independent assessment of the Joint Strike Fighter's estimated $1.1 trillion, 30-year operating and support costs -- findings the Pentagon plans to use in a new campaign to drive down the stealth fighter's life-cycle price tag. In response to a request by Pentagon acquisition executive Frank Kendall for a previously unreported "independent analysis" of government cost estimates to operate the stealthy fighter, McKinsey is expected to deliver a set of...