Although Sarah Palin said yesterday she was "impatient" and "annoyed" with Katie Couric's irrelevant questions about her book learnin' and whatnot, the CBS Evening News anchor wisely avoided firing any direct return fire when confronted with a camerman from TMZ, of all places. But it's all too easy to read — or invent? — meaning between Couric's lines, especially if you can successfully look past her usual smiling charm. Who might Couric be talking about when she says she doesn't "lie" about reading The Economist? Is "luckily I'm not running for vice president" some kind of swipe? It's harder to tell than you might think. Click the video icon to watch.