David Letterman and Stephen Colbert shared the stage at the Ed Sullivan Theater on Tuesday night. Colbert is taking over for Letterman when the late-night TV host retires next year. Alison Harmelin ... more 
David Letterman and Stephen Colbert shared the stage at the Ed Sullivan Theater on Tuesday night. Colbert is taking over for Letterman when the late-night TV host retires next year. Alison Harmelin caught up with fans outside the theater. less 
1 / 26
CBSTV Videos
Tue, Apr 22, 2014 10:54 PM EDT