No, I’m not referring to Barbara Streisand, Alec Baldwin, Bruce Springsteen, nor the rest of the Hollywood glitterati in the twilight of their careers as entertainers. I’m referring to the death of the Democratic Party. Its hysterical mouthpieces, the likes of Maureen Dowd, Paul Krugman, Jane Smiley, Susan Estrich, Lawrence O’Donnell and James Carville may continue to enjoy the blessings of life and liberty, but their pursuit of happiness may be significantly impaired. Their recent histrionics, reaching a climax with O’Donnell’s call for secession, have provided the same pyro-spectacle as the death of a star, exploding into a nebula, then...