Charges of cavalry are equally useful at the beginning, the middle and the end of a battle. They should be made always, if possible, on the flanks of the infantry, especially when the latter is engaged in front.
The most terrible of all my battles was the one before Moscow. The French showed themselves to be worthy of victory, but the Russians showed themselves worthy of being invincible.
Losing the PR battles, particularly about healthcare, translated into losing his Democratic majorities in Congress, beginning with a Republican landslide in the midterm election of 2010.
We were very effective, and I was very effective, in shaping public opinion around my campaigns. But there were big stretches, while governing, where even though we were doing the right thing, we weren't able to mobilize public opinion firmly enough behind us to weaken the resolve of the Republicans to stop opposing us or to cooperate with us. And there were times during my presidency where I lost the PR battle.