A German cannibal is taking legal action to stop the release of the horror film "Butterfly: A Grimm Love Story," which he claims is based on his life. Keri Russell ("Felicity") stars as a graduate student researching imprisoned cannibal Simon Grobeck (Thomas Kretschmann). Russell is drawn into Grobeck's world and becomes obsessed with the Internet cannibal community. "Butterfly" is scheduled for a March 9 release in Germany. But not if Armin Meiwes, who was sentenced to eight-and-a-half years in prison for eating a man he met over the Internet, has his way. In a statement Monday, Meiwes's lawyer, Harald Ermel,...