Obama regrets polarized rancor. He should.

One of the “few regrets” of his presidency, President Obama said dolefully in his State of the Union speech, was “that the rancor and suspicion between the parties has gotten worse instead of better.” Were he endowed with “the gifts of Lincoln or Roosevelt,” he remarked, he could have done more to bridge the partisan divide. But he pledged to “keep trying to be better so long as I hold this office.”

Did you experience a touch of déjà vu when the president said that? Four years ago, when he was in the home