Should we undermine the most progressive-minded president in at least a generation and will his failure help or hurt the progressive cause? Will his failure pave the way for a more progressive president or a less progressive president? This is the debate on the left.

Sarah Palin's admirers and various other delusional conservatives are doing their utmost to try to convince us that The Undefeated, the hagiographic documentary about Palin, has been a rousing success thus far.

Even if ruthless attacks achieve tactical victories -- such as the resignations of Van Jones and Shirley Sherrod or the end of ACORN -- do they help conservatives achieve their long-term interests?

When the American Enterprise Institute hired Marc Thiessen, I argued that the organization suffered a blow to its credibility -- it employs so many to...