Democrats, hit reset. Accept the fact that the race has changed utterly, that you're up against a ticket that has captured the public imagination. Now you must go out and recapture it. Out of the shirtsleeves, into the suit. Stop prowling the stage with what looks like Phil Donahue's old mic. No more scattered, listless riffs; back to the podium and the prepared—and focused—speech. Campaign as a duo, Obama-Biden, together again. Obama alone looks like he's part of nothing. You must aim your fire at the top of the ticket, John McCain, and not at this beautiful girl, Sarah Palin,...