Newt Gingrich, a quiet Rumsfeld confidant, thinks the U.S. went ‘off a cliff’ in Iraq. A NEWSWEEK exclusive Dec. 15 issue — The military has been hitting hard lately in Iraq, using overwhelming firepower to kill the enemy in operations with videogame names like Iron Hammer and Ivy Cyclone II. But behind the scenes, some military experts, including high-ranking officers in U.S. Special Forces (Army Green Berets, Navy SEALs and the like), are beginning to complain that America’s strategy in Iraq is wrongheaded. “THIS IS WHAT Westmoreland was doing in Vietnam,” says a top Special Forces commander, referring to the...