After realizing Sarah Palin’s incoherent resignation address was not actually a speech but rather poetry, Conan O’Brien started investigating her Twitter feed. “Some people have found her tweets to be a little rambling, confusing, and off-topic,” O’Brien said on last night’s Tonight Show, but that’s because “these are not tweets. This is beautiful free verse!” Once again, “master thespian” William Shatner did the honors. Watch the clip at left. (More William Shatner stories.)