[Kickass Conservative]

America is the Punch Bowl and Obama is the Turd.

America is the Swimming Pool and Romney is the Baby Ruth Bar. (Caddyshack)

I'll go with the Swimming Pool scenario.

[Antoninus]

America is the Swimming Pool and Romney is the Baby Ruth Bar.

Here's the problem. Romney only looks like a Baby Ruth Bar. If you take a bite of him, you'll quickly find out he's actually a turd, too.