Conversation so far:
What are the correspondent segments?
The monologue segment is often followed by a segment featuring an exchange with a correspondent.
Who are the correspondents?
The cast of correspondents is quite diverse, and many often sarcastically portray extreme stereotypes of themselves to poke fun at a news story.
Are there any notable correspondents?
Rob Riggle reported from Iraq.
In August 2008, Riggle traveled to China for a series of segments titled "Rob Riggle: Chasing the Dragon".
What else did Riggle do?
Correspondent segments feature a rotating supporting cast, and involve the show's members travelling to different locations to file comedic reports.

Question: Is there anything else significant about the correspondent segments?
Self-contained rewrite: Is there anything else significant about the Daily Show  correspondent segments besides Rob Riggles' segments ?