...bridge above Fredericksburg, crossed and filed in on Sedgwick's right. Both Gibbon and Howe made demonstrations against the enemy's flanks, but the nature of the ground precluded their success. Sedgwick was now reduced to a general assault. Two storming columns were formed, one from Howe's front and one from Newton's. These dispositions were not completed until 11 A. M., after a delay, perhaps not j...