The Jeff Bezos divorce: $136 billion and Amazon in the middle

The announcement by Amazon founder Jeff Bezos, the world's wealthiest man, and his wife that they will divorce has captivated the imagination -- how will they split his giant fortune, estimated at $136 billion?The former MacKenzie Tuttle knew the 54-year-old Bezos before fame and wealth came calling.The couple met in 1992 when he was a hedge fund manager on Wall Street, before he became an entrepreneur who changed the way hundreds of millions of people live.