It’s been a long time since we’ve been able to say this: the new Clint Eastwood film is a great date movie. “Trouble with the Curve” comes billed as a sports movie, but baseball serves merely as a backdrop and a source of conflict for two intertwined stories, one about a father and daughter bonding and the other about two opposites falling in love. The movie is formulaic and offers nothing new, but the story is told capably and the actors give strong performances.