The extraordinary emotional exchanges we are witnessing daily about the Swift Boat Veterans for Truth group leads us to one unavoidable conclusion: For only the second time in our nation's history, the bitterness of a bloody, lost war will shadow national politics until generational replacement has removed all the brave soldiers who experienced the event first-hand. The Civil War did not end until everyone who had fought in it had passed away--and then some. For over a century after Robert E. Lee's surrender at Appomattox Court House, Americans were still arguing over the war's name (the Civil War, the War...