Tony Blair will arrive at Yale this evening for his first visit of the semester — but not before stopping by David Letterman’s studio in New York to tape an appearance on the “Late Show.”

Blair, who is teaching for a second time the course on faith and globalization that he debuted last fall, will be making his first appearance on the show. It airs on CBS at 11:35 p.m. tonight, about the same time that Blair will probably be heading to bed at the President’s House on Hillhouse Avenue.

This is the second year in a row that Blair has appeared on late-night television on the eve of his first seminar; last year, he taped an interview with Jon Stewart.