As social media has taken over the world, street food has flooded the feeds of anyone looking for a great meal, and one the most talked about spots anywhere is a sandwich shop in Florence, Italy ...

Sunday at 4pm on WNET/Thirteen, Gourmet magazine’s Diary of a Foodie explores the best global fast food—from a tripe sandwich vendor in Florence, to a wanton noodle shop in Hong Kong. So we asked Ruth ...