Nationwide — Superstar restaurateur and chef Justin Sutherland has launched a tour of American Southern cuisine shaped by his upbringing in the Northern Midwest and the South and by his African-American and Asian heritage. Justin owns multiple restaurants in the Twin Cities, though his reputation is national. You may know him from television, where he won an Iron Chef episode, competed on Season 16 of Top Chef, and is one of the chefs featured on Fast Foodies and is producer and host of Taste the Culture, both airing on TruTV/TBS.In his new book, Northern Soul, Justin shares the inspiration and…