So you've thought about being the leader of the free world. Take our quiz to find out if you've got the right stuff.

Do you have a clue? Do you know which president never married or which one held office for 12 years? Find out here.

Politics is always puzzling, but this crossword is a real presidential challenge.

Enter our voting booth. It's not an official ballot, but you can select a candidate and see how well each one fares in CNNfyi's election quick vote.