sitting at the big, warm, carbohydrate-loaded heart of italian cuisine is pasta. and fittingly for the nation's capital, rome is obsessed with the stuff. i've been promised the best carbonara in the city and i've been told to come to the working-class backstreets behind termini station and to ask for the don. tell me what you do. >> i'm passionate about popular food and for a long time i made a show where i play vinyl music disc and that's... >> like a dj? >> as a dj, yeah. >> as a dj. but at the same