...r to anticipate Halleck's slowness. At the village of Farmington he drove off an insignificant Confederate force and occupied it. Here he was, for all practical purposes, separated from Halleck and Buell . This furnished Beauregard with a plan. He quickly resolved, by an attack in force, to cut Pope off from his base. Van Dorn was to move by his right flank, and to keep on moving until his cente...