I found the questions quite easy.
After having no clue at all about "current americana", and therefore been randomly guessing on questions as "Speaker of the house of representatives, Sotomayor(OK, I know her by name and function, but didn't know her face) and so on, I actually got 11/13. I'm stunned of the laws of probability!
(Elephant is the republican symbol, that I knew, and the democrats use a donkey, right?)