"The only way to achieve peace in this complex world is through superior firepower."

What's so complex about the world that the most powerful nation on earth has to invade one of the poorest, weakest country on earth in order to achieve peace?

I'm sure there are plenty of Afghanis who agree with you; thinking if only their firepower was superior to the US there would be peace in their land...

What gives with this McChrystal character? Is he a general or is he a polititian?

If he wants a public voice, he should give up his stars and go to Washington and raise his colours. Otherwise he needs to shut his mouth and get on with the task he's been given with the tools his masters give him.