Dec. 23 (Bloomberg) -- Bloomberg View columnist Barry Ritholtz interviews Bruce Tuchman, president of AMC Global and Sundance Channel Global. Prior to joining AMC Networks, Tuchman worked as president of MGM Worldwide Networks and as general manager of Nickelodeon Global Network Ventures. This commentary aired on Bloomberg Radio. See omnystudio.com/listener for privacy information.

Dec. 9 (Bloomberg) -- Bloomberg View columnist Barry Ritholtz interviews financial journalist Michael Lewis, author of "Flash Boys," "The Big Short," "Moneyball," and, most recently, "The Undoing Project: A Friendship That Changed Our Minds." Lewis holds a bachelor’s degree in art history from Princeton and a master’s degree in economics from the London School of Economics. He is also a columnist for Bloomberg View. This commentary aired on Bloomberg Radio. See omnystudio.com/listener for privacy information.