Nothing makes a business story more gripping than a great rivalry and there is no larger one today than the ongoing showdown between Blackstone’s Steve Schwarzman and KKR’s Henry Kravis.

At stake: Just who is the biggest, baddest man in the world of private equity, which nowadays means Wall Street writ large. The two Type-A, mega-wealthy financiers almost seem to be engaged in a constant, ongoing game of oneupsmanship.

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