Possible Clues:

• Type on the left side?: Abbr.
• DNC member
• BHO, for one
• Unlike Ike: Abbr.
• JFK, but not LGA
• Like JFK and FDR
• Ballot ID
• F.D.R. or J.F.K., e.g.
• Lib ___ (U.K. party member)
• Donkey supporter: Abbr.