Saying the war is a mistake, a grand diversion, and that we're going it alone is undermining the war effort. Period.
It makes it worse that Kerry claims to somehow be in favor of the war he condemns so roundly. I can't imagine what he would say about a war which he doesn't support. Oh yeah, I almost forgot, he'd make up stories about his fellow soldiers shooting civilians and raping women.
Issues of such critical national interest - such as war where real live Americans are fighting and dying - should not be used as tools in the hands of politicians for their own political gain. If he's against the war, he should say so, but don't undermine the effort when his alternative plan is essentially the same as the President's.
Why are we letting them get away with this stuff? Where is the heart of the American people? Where are the protests against these shennanigans?