WASHINGTON - The political redemption of John McCain began half a year ago, half a world away at a place called, fittingly enough, Camp Victory. As his presidential campaign unraveled back home, McCain spent Independence Day 2007 at the sprawling American headquarters on the edge of Baghdad and watched in the heat as 588 U.S. troops re-enlisted. Afterward, the soldiers swarmed McCain and Sen. Lindsey Graham, R-S.C., to thank them for their support. Depressed, doubtful his campaign could prevail, McCain turned to Graham on the flight home and said, "We can't give up on those kids. ... We have to...