Word is that 16-year-old Emma Watson, who's made her mark in Hollywood playing Harry Potter's galpal Hermione Granger, is sick of the role. She's balking at signing on for the last two Harry Potter movies. Matters probably didn't help much last week when a 20-something stalker approached Watson at school to chat about the films. According to a Guardian article: It seems to have been Grint [Ron Weasley] himself who sparked off the speculation......