Question of the Day: What's the Greatest Rivalry of All Time?
Batman vs Joker. Tupac vs Biggie. Yankees vs Red Sox. Jim vs Dwight. Great rivalries provide the rest of us with a team to root for, drama to die for and a little bit of tension to keep us on our toes. But some rivalries affect us a little deeper than others. So, what's your favorite? And, more important, who are you rooting for?