Not all great meals come from restaurants. Some are served from carts and stalls and eaten on the go. So-called street food is not only delicious, but can be found in nearly every country, rich or poor, says Carla Diamanti, co-author of Street Food: Authentic Snacks From Around the World (Ullmann, $14.99). "It's a way to get to know the people and the flavor of a place," says the Italian writer, who has nibbled her way around the globe. She shares some favorite snacks ... and snacking places ... with Larry Bleiberg for USA TODAY.