Barack Obama showcased his rap skills earlier this week, performing Eminem’s “Lose Yourself” at a rally for Kamala Harris. Late-night hosts were delighted by the viral moment, taking multiple opportunities to comment on the former president’s ability to spit a verse.

On The Late Show, Stephen Colbert noted that the candidates are pulling out “all the big guns,” which means big endorsements like Eminem. Colbert recounted how Obama followed Eminem’s speaking, commenting, “I gotta say, he seemed a little starstruck.”

“Was that song Osama Bin Laden because Obama just killed it,...