BAD JUDGE on NBC, premiering tonight at 9/8c, has a title that tells you all you need to know. Kate Walsh plays a JUDGE (who, from the looks of it, even if she’s drunk all the time, does understand the law); the show itself is pretty BAD (BAD + JUDGE, ya know?). It tries to be a workplace comedy, but it falls short on the comedy, with Walsh trying way too hard at playing the Honorable Rebecca Wright, a young,