...ushing blow should be dealt to Buell's army, which was regarded at the time as the most menacing, for Grant and Foote had not yet moved. Johnston fell in with this plan, and Beauregard proceeded to Columbus to put it in train of execution. Scarcely, however, had he started for Columbus when the thunder of the Union guns on the Tennessee apprised him that it was too late, and, by the time he reached th...