April 3, 2014
We'll be looking for the Top 10 Reasons David Letterman is retiring. According to several media outlets, the late night talk show host will call it quits next year.
The announcement was made during a taping of "Late Show with David Letterman."
The 66-year-old comedian moved his show from NBC to CBS in 1993.
When you combine his 11 years at NBC, Letterman is the longest serving late night host in TV history.