NEW YORK - The coming assault on Baghdad already has its first hero: Colonel John Boyd, a foul-mouthed, insubordinate fighter pilot who has been in his grave at Arlington National Cemetery for almost five years. When Iraq's tyrant is brought down, that inevitable victory will be Boyd's doing. You won't hear Boyd's name being cited in Rose Garden speeches, however. Nor will the Pentagon be authorising any posthumous decorations for the man who, through 30 years of bureaucratic guerilla warfare, transformed America's military. Even though he gave them many of the tools that made Operation Desert Storm such a sweeping...