If you're up for starting 2013 with a challenge, test your wits and try your hand at this, the daddy of all year-in-review quizzes. 50 questions will determine just how closely you were paying attention over the past 365 days.
WHAT YOUR SCORE MEANS
46 - 50 Consider a 12-step program for information junkies.
36 - 45 You are well-informed and probably mentally stable.
26 - 35 Nothing to be ashamed of. Nothing to be proud of, either.
10 - 25 Maybe you had a bad case of nerves. Better luck next year.
0 - 9 Welcome back from Antarctica, or wherever you spent 2012.