The late-night landscape is fragmented. Hosts rise and fall. But late-night programming has a solid niche in popular culture. Millions tuned in to watch Jay Leno's farewell to 'The Tonight Show' this week.
Arsenio Hall's program 'The Arsenio Hall Show' is set to premiere Sept. 9. Arsenio Hall worked as a late-night host in the late '80s and early '90s before leaving when his ratings slipped after the arrival of Jay Leno and David Letterman.