Ron Salisbury reminisces on 100 years of El Cholo, California's oldest Mexican restaurant, opened by his grandparents in 1923. Antonia Hitchens reports from the Taco Bell innovation kitchen on the frontlines of the stunt food wars. Bricia Lopez and Javier Cabral join forces for the perfect asada. British writer Louise Gray evaluates how far her produce travels compared to fruit and veg for a typical Californian. Parked at Sunset Triangle Plaza, blue food truck Simón doles out mariscos and asada with a twist.