Kim Masters and John Horn discuss top entertainment news stories of the week.
- Amazon expands further into the media space. They've picked up a number of new series, acquired the rights to stream 24, and have a new set-top box.
- The expert statisticians at fivethirtyeight.com have crunched the numbers and found that movies passing the Bechdel test for women characters are good box office -- contrary to popular Hollywood belief.
- David Letterman will retire in 2015 for a long career in late night.