Host of the “Food Roots” documentary, Billy Dec, joins Bob Sirott to talk about what his documentary focuses on, the secret to Sunda’s success, and the food covered in the documentary that is making its way to Sunda. Senior reporter for “Crain’s Chicago Business,” Ally Marotti, also joins Bob to popular Chicago restaurants that are opening “sister restaurants,” like The Barn Steakhouse, Kitty’s Cosmopolitan Club, and Schneider Deli.