Most lists were group efforts, executed quickly, per O’Donnell. “Sometimes we’d write 100 of them. Then I’d pitch the best to Letterman minutes before the show. He’d pick a couple, add a couple.” The ...

I’ve watched more of David Letterman’s late-night show during the May sweeps than I have in years and learned one valuable lesson before tonight’s finale on CBS. If you’re going to DVR the finale ...