Embedded Player Scott talks to Nicholas Gage about his new book, "Greek Fire: The Story of Maria Callas and Aristotle Onassis. They were the two most famous Greeks of the 20th century, she a revered opera star and he a shipping tycoon, and their tempestuous affair was a story worthy of Greek tragedy. (13:00) (note: Greek Fire, by Nicholas Gage, is published by Alfred A. K