The Buyout of AmericaBy: Josh Kosman An authoritative expos of the mysterious and potentially dangerous world of private equity. Marquee private equity firms such as Blackstone Group, Carlyle Group, and Kohlberg Kravis Roberts have grown bigger and more powerful than ever. They have also become the nation's largest employers through the businesses they own. Journalist Josh Kosman explores private equity's explosive growth and shows how its barons wring profits at the