The new “Best Life Diet” book just out by Oprah Winfrey’s personal health advisor Bob Greene has quickly risen to the New York Times Best Sellers list since its launch a couple weeks ago. This past Saturday Southeast AgNet’s Gary Cooper sat down with Greene, now in the midst of a nationwide book promotions tour, at a book signing in an Orlando Publix supermarket. Food stations all over the store were featuring “Best Life Diet” foods and recipes for taste-tests as Greene was meeting and signing books for shoppers in the Publix Bookstore. Greene talks with us about grapefruit and why he likes it so much. To hear the interview click for the report. Report (2:48 wma)