The Guinness Book of World Records has named 114-year-old Misao Okawa of Osaka, Japan the oldest woman in the world. Ms. Okawa was born in 1898, and actually turns 115 on March 5th. She has three children, four grandchildren, and six great grandchildren. So...what is the secret to her longevity? Ms. Okawa's nursing home director says their famous resident eats everything and anything she wants. Her favorite dish is mackerel sushi.