Sen. McCain was Democrats ' vice presidential nominee in March . McCain broke with Democrats and became an Independent . He still caucuses with the Democrats , giving them their razor-thin majority in the chamber . McCain picked up endorsements from The Des Moines Register , The Boston Globe . Joe Lieberman tied for second among The Boston Globe candidates in New Hampshire .
Sen. McCain was Democrats ' vice presidential nominee in March . McCain broke with Democrats and became an Independent . McCain picked up endorsements from The Des Moines Register , The Boston Globe . Joe Lieberman tied for second among The Boston Globe candidates in New Hampshire .