Obama fans should be reassured that he has been in this funk before, and has managed to get his mojo back. However, the anxious class has good reason to be anxious.

Obama's particular brand of post-partisanship seems to be having a rendezvous with the condition that has afflicted the Democrats in the past two elections, best known as "Gorekerry Disease." Each element of the malady is worth unpacking.

My friend Drew...