‘Liberal Revolt’?

I suppose it is good to see the word "liberal" in a headline at a Democratic web site, even if the article is a sort of complaint from the O-bots: "Obama Faces Liberal Revolt On Social Security Cuts" isn't much encouragement to liberals that our brand is enjoying a resurgence of influence. I can just imagine Jay Carney shouting, "Sire! Sire! the peasants liberals are revolting!" and O supplying the conventional reply...