Dear Diary: I am at the Westin Las Vegas Lake Resort, at Henderson, doing my debate prep. I've been thinking up some zingers. We have leaked some cunning disinformation that I'm not planning any zingers, but we know Mittman has developed some and I'll want to be able to hit back. Here are some I have thought up: "A man who owns an Olympic horse knows all about manure," and "You and your Ryanstone cowboy ride on the backs of the middle-class." Pretty good, though I say so myself, and I do. But who will give me a real show-stopper, something even bigger than Reagan's "there you go again?" Meantime I can see golfers outside as I toil [Note to self: Ask Valerie Jarrett if she will allow me to play a round after she has graded my homework]. I made the mistake of turning on my suite's TV to see none other than Ann Romney who's campaigning locally. Auugh!