Microsoft's Bill Gates, AOL-Time Warner's Steve Case, Amazon.com's Jeff Bezos, Oracle's Larry Ellison, Cisco's John Chambers -- they're business titans of the 21st century. We know their names well enough, but what do we really know about these men beyond the multitudes of short-hand mythologies and sound-bites that currently exist. How were they able to muster the savvy and confidence to create such empires of wealth and power? What do the paths...