There is little doubt that over the last several months President Obama's poll numbers -- and those of Democrats generally -- have taken a swing for the worse. The president's job approval numbers have drifted below 50 percent. The popularity of some of his signature initiatives has dropped. Last week, Democratic Congressman Parker Griffith of Alabama announced he was switching parties -- presumably in order to enhance his odds of political survival next fall.

These events have given rise to calls that the Democratic agenda needs to become more "moderate" or "centrist" and that this would somehow be more attractive to Independent voters.

Nothing could be further from the truth.

"Moderating" our goals is not a recipe for victory. It is a...