Conversation so far:
What interviews were done?
In The Daily Show's third act, the host conducts an interview with a celebrity guest.
Was The Daily Show's approach to interviews successful?
During Stewart's tenure, the show's guests tended away from celebrities and more towards non-fiction authors and political pundits, as well as many prominent elected officials.
Who appeared on The Daily Show ?
Prominent political guests have included U.S. President Barack Obama, Vice President Joe Biden

Question: Did anyone else, also famous, appear in the show?
Self-contained rewrite: Did anyone else, also famous, appear in The Daily Show besides Barack Obama and Joe Biden?