"The Late Show" host Stephen Colbert criticized CBS on Monday night, saying the network blocked his interview with U.S. Senate hopeful James Talarico from airing.

Stephen Colbert said he had to drop an interview with James Talarico from his Monday broadcast because of new F.C.C. guidance that targeted political interviews on late-night shows.

The network was concerned about FCC Chairman Brendan Carr trying to enforce a rule that required broadcasters to give “equal time” to opposing candidates when an interview was broadcast with one of th...