Good grief - "overly centrist messaging"? This, in the days of gay marriage, medicine socialized by force, transsexual chic, disaster-breeding Middle East policy, and incessant, 150-beat-per-minute racism drum-pounding? There may be a lot of problems with the current Democrat message, outright fascism for example, but one of them is not too much centrism.
They can solve the problem of Obama postponing amnesty until after the election by spreading the word to Hispanics that it's OK...even if you are not a citizen, you can still vote.