Two decades ago, Sun Microsystems prophesied: "The network is the computer." Today, BitTorrent video and 3D graphics flood the Internet, Apple iPhones tap the Net's computing power, and PC-king Microsoft pursues Net-centric Yahoo. Sun's mantra has become reality.

But as the Internet booms and moves to the center of the global economic sphere, it draws proportional attention from politicians and regulators. In Congress and at the FCC, legislators and lawyers think they can manage overflowing Net traffic and commerce better...