The NCAA tournament is here. You have an office pool. You have a bracket. Here's what you didn't know you needed: a blindfold.

For the fourth straight year, which is longer than most college-basketball players have been in school, The Wall Street Journal presents its Blindfold Bracket contest to help you fill out your NCAA tournament bracket. The problem with predicting the tournament is that we all have biases. Maybe you haven't watched a college-basketball game all season but heard that Florida is really good. You won't...