MUNCIE — David Letterman was back at his alma mater and made a major announcement.

[weaver_youtube C_ivQLYhDuk rel=0] Indiana native David Letterman will host his final “Late Show” on CBS tonight beginning at 11:35 p.m. (EDT). He’s retiring after hosting the show for 22 years. Letterman began his television career as a weather man and anchor on WLWI (now WTHR) in Indianapolis after graduating from Ball State University in 1969. He …read more.