When fans get frightening // A celebrity needs a committed following, but lately, a few of these devotees seem to need commitment

“I am your No. 1 fan.” And so began Paul Sheldon’s terrifying encounter with Annie Wilkes, the obsessed character in Stephen King’s Misery who chopped off her idol’s feet so he couldn’t escape. (In the film version, she merely broke his ankles.) In real life, celebrities such as Sheryl Crow, Mel Gibson and Catherine Zeta-Jones are dealing with their own slew of “No. 1 fans.” Some go to prison for their obsessive behavior. But others don’t.