... but not surprised: US officials flunk test of American history, economics, civics.
Here is the Civics Test in question. There's also a link to a table comparing the results for the general public and elected officials - the latter proving less knowledgeable.
So how did I do? I got 31 out of 33 correct. Which shows I'm slipping. In my high school civics class, I had a perfect score on every test.