The Sweet Potato Crosses the Pacific

Fascinating account of the journey of the lowly sweet potato across the world's widest ocean. While in Hawai'i in 2003, we actually consumed some Okinawan sweet potatoes, which are purple! They were ono (delicious).

http://www.timesonline.co.uk/tol/life_and_style/court_and_social/article3601457.ece