Conversation so far:
what happened in will forte's career in 1997?
He began taking classes at the Groundlings in Los Angeles, an improvisational and sketch comedy troupe and school, while tutoring children to make ends meet.
what did he do next?
The comics landed him his first professional job writing for The Jenny McCarthy Show.
did he do well there?
Shortly thereafter, he was asked to submit a packet to the Late Show with David Letterman.

Question: did he join the late show?
Self-contained rewrite: Did Will Forte join the Late Show with David Letterman?