Part of the problem with the war was it was being led from Washington and the military had their hands tied by politics. Plus, the war was never a declared war. Whenever the dems have their hands in a war you can bet your but it's going to be political.
LBJ, former arty officer that he was, actually plotted out fire support missions, along with McNamara, from the Oval Office.
Talk about high mucky-mucks getting into the middle of straight-leg grunt operations.....