This talk show has three elements that make it distinctive, and particularly entertaining, from the viewpoint of a U.S. viewer watching this U.K. import. One, most of the guests come out at the start, and stay and intermingle for the whole hour. Two, the guests are top-notch: This week’s guests, for a (sterling) example, include John Cleese, Taylor Swift and Neil Diamond. And three: There’s usually one British-based celebrity in the lot, someone who is unfamiliar to stateside viewers