Notable TV exits through the years

POSTED: 10:42 AM PDT April 6, 2012    UPDATED: 7:39 AM PDT June 25, 2014 
 Diane Sawyer

ABC announced that Diane Sawyer is stepping down from anchoring "World News" and will focus on primetime specials, big interviews, and enterprise reporting for the network. Take a look at other high-profile personalities and their exits from particular shows or TV altogether.