Possible Clues:

• ''O ___ Golden Slippers''
• Pierce or Polk: Abbr.
• Rep's foe
• LBJ's party
• Jackass, politically
• JFK or FDR, partywise
• Nancy Pelosi, e.g.: Abbr.
• Rep's counterpart
• Pt. of DNC
• Blue Stater, more likely than not