http://www.espn.com/nfl/story/_/id/2...-fan-bases-nfl

Which NFL fan bases have it the worst right now? It's a question the Sports Misery Index tackled, and while we did an article on the top 25 in all sports, it's time to delve deeper into which NFL fans feel good about life and which are, quite frankly, miserable.
The Index takes into account five factors: championships, playoff berths, playoff wins, heartbreaks and rival comparison, with recent events being weighted more than events that took place decades ago. We identify how each NFL team rates in each category -- the higher the ranking, the more the misery.
1. Cleveland Browns...