With declining oil and global warming a concern, why ship a vegetable 1,500 miles from farm to plate? To challenge this practice, Alisa Smith and J.B. MacKinnon ate foods grown within 100 miles of home one year. They discovered community, old-fashioned skills and the best-tasting food of their lives. Alisa Smith is co-author of The 100 Mile Diet: A Year of Local Eating. 39 min 28 sec.