Mike Peterson pointed this out over in rec.arts.comics.strips

Meanwhile, here’s an amusing little piece — this is an INS site that
helps immigrants prep for their citizenship tests. Click on the answer
button and see if you notice anything missing — do suppose they know
something the rest of us haven’t been told yet???

http://www.uscis.gov/graphics/citizenship/flashcards/question_80.htm

Hmmmm.

EDIT (29 May 2006): Well, it looks like it’s been updated to include Freedom of the Press after all. I guess enough people were poitning out the lack.