With the release of the Smithsonian Anthology of Hip-Hop and Rap, former Def Jam Recordings president and Public Enemy co-founder Bill Stephney joins us to look back on hip hop's growth over the last 45 years. For the 25th anniversary of the first Big Shiny Tunes, freelance writer and musician Jesse Locke reflects on the popular Canadian compilation CD over its 13 years and 17 editions. Canadian icon William Shatner opens up about aging, loneliness and what keeps him going at 90.