Rockets lit up a calm, starlit sky early Wednesday, beginning a what was expected to be major battle for the Karbala Gap. This battle was said to determine the fate of the war in Iraq. Troops felt very little resistance as they moved northeast of Karbala, about 50 miles southwest of Baghdad. The 3rd Infantry Division moved 20 miles past its stopping point and has encountered no enemy troops and no dead bodies in the bombed emplacements where the Republican Guard was believed to be. In Baghdad, huge explosions echoed across the city early Wednesday, and a plume of...