It's been a long time since James Carville said the most famous thing he ever said: It's the economy, stupid. That famous phrase was in fact part of a sign hung in the Clinton campaign headquarters in 1992. There was a sense among the electorate in the fall of 1992, not entirely accurate, that the economy was foundering under George H.W. Bush. Bush lost control of the public's perception of the economy, and then he lost the presidency.

Why with unemployment heading above 10% was Barack Obama on TV last night draining a dwindling...