Actor Steve Martin and cartoonist Harry Bliss on new cartoon memoir

CBS Mornings cohost Gayle King sits down with actor Steve Martin and cartoonist Harry Bliss to discuss their new book, Number One is Walking: My Life in the Movies and Other Martin shares behindthescenes stories about hit movies like, Three Amigos, and talks about getting Paul McCartney to sing one of his songs. Each weekday morning, CBS Mornings cohosts Gayle King, Tony Dokoupil and Nate Burleson bring you the latest breaking news, smart conversation and indepth feature reporting. CBS Mornings airs weekdays at 7 a. m. on CBS and stream it at 8 a. m. ET on the CBS News app. Subscribe to CBS Mornings on YouTube: Watch CBS News: Download the CBS News app: Follow CBS Mornings on Instagram: Like CBS Mornings on Facebook: Follow CBS Mornings on Twitter: