No debate.
Just list one word that you feel best describes each candidate.
Feel free to use ones that have already been listed.
Obama: smart
McCain: angry
Obama: competent
Biden: interesting
McCain: desperate
Palin: lost
Obama: Black
McCain: White
What?
Obama: promising
Biden: seasoned
McCain: doddering
Palin: folksy
Done as a word-association kind of thing:
Obama: Black
McCain: Old
Palin: Female
Biden: Who?
Obama: Future
McCain: Doddering
Biden: Ineffective
Palin: Frightening
Obama: Hope
McCain: Dangerous
Biden: Dull
Palin: Vibrant
Obama: exciting
McCain: argh!
Palin: Stupid
Biden: Nuts
Obama: Fresh
McCain: boring
Harper - effective
Dion - professor
Layton - terrier
Duceppe - irrelevant
May - naive
(You didn’t specify US American candidates. 
)
You stole my answers!
Obama: Ears
McCain: Grandpa
Biden: Smart
Palin: Yabetcha
Obama: Hope
McCain: Maverick
Biden: Boring
Palin: Lipstick
Obama: Change
McCain: Same
Biden: Safe
Palin: Scary
Obama: Ears
McCain: Vet
Biden: Who?
Palin: Flake
Obama: calm
McCain: overwhelmed
Palin: artificial
Biden: hairplugs
Obama - liar
McCain - Honorable
Obama - Charismatic
McCain - Veteran
Biden - Experienced
Palin - MILF
Obama- Kennedy (John)
Biden- Senate
McCain- Dole (Bob)
Palin- Whore
Obama: Perceptive
McCain: Unreliable
Biden: Solid
Palin: In-over-her-head
Obama: Rational
McCain: Traitor