Food in Italy seems so blessed that even Pope Francis misses going out for pizza. But the country’s acclaimed olive oil and Parmigiano-Reggiano are under threat by climate change, imitators and natural disasters. Producers in Italy say imitation products in the U.S. are threatening their livelihood. Joining us for a first-hand report from Rome is Italian food author Elizabeth Minchilli, and in studio WBEZ food contributor Louisa Chu. PHOTO: (Robbin Ellis/Flickr)