Last night, South Park had its usual tartly sarcastic way (by which I mean “delightfully savage ridicule”) with save-the-whales conservationists, cable-TV nature shows, Lady Gaga, and, yes, Entertainment Weekly in the episode titled “Whale Whores.”First, let me say that Cartman’s version of “Poker Face” is pretty terrific. Second, gotta love the fake EW cover, complete