Joss Whedon, writer and director of the upcoming SF movie Serenity, told SCI FI Wire that he’s just starting to get nervous about the potential reception for his film, which is based on his failed Fox TV series Firefly. "How nervous am I ? Uh, I’m actually pretty calm," Whedon said in a new conference in Beverly Hills, Calif. "I am being medicated right now steadily to keep me that way. I got really nervous when I realized, ultimately, I have absolutely no idea how this movie is going to do. (...)