Phuong Bui Carolyn McKinney and Janice Gage are the mother and daughter team behind Iowa Buffet. Carolyn McKinney can’t help but chuckle whenever a group of 20-something Cherokee Street scenesters “discovers” Iowa Buffet (2727 Winnebago Street, 314-776-8000), the south-city institution that’s been in her life for as long as she can remember. She doesn’t know […]