Television is in constant need of more female voices and tonight on CBS, “Bad Teacher” premieres. The new comedy is based on the movie of the same name and stars Ari Graynor, Kristin Davis, Ryan Hansen, David Alan Grier and Sara Gilbert. It’s being steered by Hilary Winston, a sitcom veteran from “My Name Is Earl” and “Community.” The pilot is sharp, smart and funny and as this is Winston’s first time as a showrunner,
