"How's your bracket?" will be the most-asked question among sports fans and other segments of American society for the next three weeks.

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How can you answer them if you haven't filled out a bracket? Sign up to compete it Newsday's bracket challenge. You won't win any prizes, since we don't offer any. But you can compete against other readers for bragging rights.

Sign up now and follow the leaderboard all tournament long at newsday.com/bracket.