Jimmy Buffett, whose "Margaritaville" was one of the biggest songs of the 20th century -- and who parlayed its escapist vibe into a billion-dollar empire -- died Friday evening. He was 76. A statement from his family read, "Jimmy passed away peacefully on the night of September 1st surrounded by his family, friends, music and dogs. He lived his life like a song till the very last breath and will be missed beyond measure by so many." Developing...