article_snippet: Fanatics, novices and even President Barack Obama are trying to predict the winners of every game by completing an estimated 70million tournament brackets, according to the American Gaming Association — that's more brackets completed than votes even President Barack Obama received in the last presidential election.
article_snippet: AN AMERICAN OBSESSION: BRACKETS!
article_snippet: Fans competing in online bracket pools — often for money, though that's technically illegal — had up until the moment the first game tipped shortly after noon Eastern  Thursday.
highlights_snippet: An estimated 70million people fill out tournament brackets each year .
  