Few can forget the moment in last May's killer Grey's Anatomy finale when Alex--fighting for his life after being shot in the chest by that crazed gunman--screams for his MIA ex, Izzie, and not his current lover, Lexie. The takeaway message was obvious: Despite Katherine Heigl's abrupt departure last spring, her character's arc--specifically her love story with Alex--is far from over.
Grey's boss Shonda Rhimes tells me that finding closure for Alex is one of her top priorities as she heads into season 7. "We're talking about it [in the writers' room] obsessively and trying to figure it out," she says. "We're approaching it pretty carefully.