That man was David Letterman.
He kisses the newest intern who puts on his mic
He did it to get his juices running and also, reportedly, as a sign of life after his quintuple-bypass surgery.
David Letterman's birth name is Letterman, David Michael.
David Letterman reportedly ran across the stage every night since to prove that he still "had what it took" after his quintuple-bypass surgery around the year 2000.
He has hosted the Late Show with David Letterman on CBS since 1993, and before that he hosted Late Night with David Letterman on NBC from 1982 to 1993.
The Late Show with David Letterman is broadcast on CBS since 1993. Currently the show is on its twentieth season with CBS. Before that Late Night with David Letterman was broadcast on NBC.
David Letterman is the first host of the Late Show on CBS. He originated the show in 1993, when he left NBC.
The Late Show with David Letterman began on August 30, 1993, and ended with his retirement in 2015. Before that, he was the host of Late Night with David Letterman from 1982 to 1993.
David Letterman is a registered Independent
David Letterman is 6' 2" tall.