A few days ago, I got an e-mail from an Obama supporter with a link to video that I'd been desperately searching for: that moment in February, 2007 when Hillary Clinton not only refused to admit making a mistake on Iraq, but told people they ought to consider Obama or Edwards if hearing such an admission was very important to them.

If the most important thing to any of you is choosing someone who did not cast that vote or has said his vote was a mistake, then there are others to choose from.

I still believe it was at that moment that Hillary Clinton lost the campaign. As kos wrote at the time:

The closer we get to the primaries, the more Hillary will realize that she can't escape her Iraq dilemma. I don't want her to apologize. I want her to say, "I made a mistake." Edwards did it. Just about every other Democrat who idiotically trusted this president and supported the war has done it. Had Hillary done this last year, the issue would be moot.

Part of my goal in making this video is to try to express why Hillary Clinton is losing (or has lost, take your pick) this campaign, and also to express why Barack Obama is winning. It ends with these words from Obama:

It's important for us to stand our ground and take our licks, rather than what sometimes is our habit, which is to cave and whine about it afterwards, which makes us not only look weak, but petty.

Standing your ground isn't just the right thing to do, it's the smart thing to do. Obama is showed us that again yesterday. He's not perfect -- he's still a politician, after all. But he is showing Democrats how to be better, not just as politicians, but as leaders.

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I also blog at The Jed Report.