Even as they publicly condemn Tea Party Republicans as hostage-taking legislative thugs, the truth is that some Democrats are quietly jealous of them. Think of it: The Tea Party gang gets to intimidate party leaders, threaten legislation, block nominees, shut down the government and default on the debt if they don’t get their way. They cause major trouble. Boy, does that sound good. The extreme right has power, and that’s something the left hasn’t had much of for a long time. But in the aftermath of the party’s disastrous midterm performance, it’s very possible that the Democratic Party leadership will...