The Iraq debate that we’ve been watching this year has been about two bets. After false starts and misplaced hopes in 2004, and 2005, and 2006, George W. Bush is betting his surge strategy will facilitate the political progress that could bring a semblance of stability to Iraq. Senate Majority Leader Harry Reid (D-Nev.) and House Speaker Nancy Pelosi (D-Calif.) are betting the surge will fail. It’s as simple as that. If Bush wins his bet, Iraq will be a better place, the Middle East will be a better place, and America will be a safer place. But Reid and...