Mark Knoller lists top 10 reasons David Letterman is retiring
Top Ten Reasons David Letterman will be retiring in 2015 10. Running out of stupid pet tricks. 9. Chris (cont) http://t.co/DctBr8NOLZ — Mark Knoller (@markknoller) April 3, 2014 Now that David Letterman is retiring, there’s going to be no end to the “Top 10 reasons David Letterman is retiring” jokes. Credit CBS News’ Mark Knoller […]