Up from 16% last month. I guess the liberals' strategy of trying to delegitimate the movement as extreme and violent and racist hasn't worked out too well. At some point you're talking about so many people that it's incoherent to characterize them as marginal. Plus you may want to attempt to persuade them... perhaps even by addressing the substance of their criticisms.
Instapundit: "[This] suggests that complaints from Republican operatives about Tea Party amateurishness and lack of a national organization are wrong. When have those operatives ever achieved a 50% increase in identification in one month?"