... are the Democrats who haven't yet signed off on his candidacy. That's McCain's worry. Yes, they're Hillary supporters. But they're also Democrats. And what this convention will be about is reminding Democrats that McCain is a Republican, and insisting that he would represent four more years of Bush policies. If Obama can ove his 80 percent Democratic support number to 85 percent, things look rosy. Ambers notes one more thing:

Obama's campaign has polling data suggesting that an unusually large number of pro-choice Democrats don't know that McCain is pro-life.