[2][3] KRLA 1110 hired news director Irwin to form The Credibility Gap in 1968 with his radio colleagues John Gilliland, Thom Beck, Richard Beebe, and folk singer Len Chandler.

[4] In 1968 (billed as "Lew Irwin and The Credibility Gap") they released An Album Of Political Pornography for Blue Thumb, consisting of highlights from their radio sketches.

A Pasadena Playhouse Theatre alumnus, Beebe's booming radio voice and quick improv helped The Credibility Gap make some of the most original comedy of their time.

By 1970, Len Chandler and John Gilliland had drifted away from the Credibility Gap, and ... Michael McKean, had joined the team, though the troupe's relationship with KRLA had soured and their show had been shrunk from 15 minutes to a mere 180 seconds.

However, after Shearer landed a side gig as a disc jockey on an FM "free form" outlet, KPPC, the Credibility Gap found a new home on the station, and the group's satire gained both sharpness and depth.

Beebe left the Gap in 1975 to join Los Angeles FM rock station KMET, remaining in radio news for over 40 years with 2 Golden Mic awards.

[20] The Credibility Gap continued as a trio (Lander, McKean and Shearer) through 1979, but after 1976 individual members tended to focus on other projects and the group itself made only sporadic, widely spaced appearances.

Beebe's family in Richards absence donated all original Gap recordings from 1968-1972 to the Paley Center for all to enjoy Los Angeles news mixed with comedy.