The actor, known for memorable turns in series such as “Wings,” “Monk” and “The Marvelous Mrs. Maisel,” is trying his hand at a decidedly different role. In “Tony Shalhoub Breaking Bread,” the latest in CNN’s signature food-and-travel documentary series, Shalhoub examines the way bread plays a central role in diets everywhere from Japan to Brazil. and tries sourdough pizza, bread made from cassava flour and more.