MICROSOFT CHAIRMAN BILL GATES hates it. So does Intel president Andy Grove and virtually every other chief executive in Silicon Valley. In Washington the representatives of America's vaunted high-tech industries hate it too. Phyllis Eisen, senior policy director of the 14,000-member National Association of Manufacturers (NAM), one of the country's most powerful business lobbies, decries it as "insane."
The target for those gigabytes of scorn is the last hurrah of Republican Senator Alan Simpson, 64, the deacon of U.S. immigration law, who is retiring this December after 18 years in Congress. Simpson, who sponsored a major reform of U.S. immigration rules...