"Weird Al" Yankovic Celebrates 10 Years of "Mandatory Fun"

10 years after his comedy album "Mandatory Fun" became the first comedy album in history to hit number 1 on the Billboard charts, "Weird Al" Yankovic, musician, comedian, and actor,  looks back on his career parodying hit pop songs, previews his latest single "Polkamania!", and takes calls from his multi-generational fanbase.