Actor Steve Martin and cartoonist Harry Bliss on new cartoon memoir

“CBS Mornings” co-host 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 Diversions.“ Martin shares behind-the-scenes stories about hit movies like, “Three Amigos,“ and talks about getting Paul McCartney to sing one of his songs. Each weekday morning, “CBS Mornings” co-hosts Gayle King, Tony Dokoupil and Nate Burleson bring you the latest breaking news, smart conversation and in-depth 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: https://