When the founder of Amazon bought the Washington Post, the world of journalism dropped its collective jaw. Nobody even knew it was up for sale. At $250 million, the price is high — but it's only 1% of Jeff Bezos' personal fortune. So, who is Bezos, and what does he have in mind? Opinions range from altruist out to rescue traditional news from digital destruction, to digital tycoon looking for power and influence. Beyond that, what's the potential for one of America's most creative capitalists to re-invent journalism in the long term?