Tom Mars, Executive Vice President and Chief Administrative Officer, Walmart U.S., discusses Walmart's plans for new, smaller format stores in urban Chicago. Vice Chair of MPC's Board of Governors Jesse H. Ruiz, a partner with Drinker, Biddle & Reath, moderated the conversation. Andrew J. McKenna, Sr., chairman of Schwarz Supply Source, Inc., and chairman of McDonald's Corporation, introduced the discussion.