ON MAY 24, after 2,000 episodes, Carson Daly’s late-night show came to an end, and as you read these words, I wonder if you can remember its name. To be fair, late-night shows tend to have sound-alike titles—Late Night, Late Show, Later, The Late Late Show—and Daly’s entry (let’s kill the suspense: It was called Last Call With Carson Daly) was no exception. So you may be surprised to learn that the show aired for 17 straight years in the same time slot with the same host—the longest such run of any contemporary late-night host.
How? Last Call survived in part by changing its form radically over the years in response to budget cuts, cancellation threats, writers’ strikes, network conciliations to higher-profile hosts, and the general ongoing effort to figure…