the biggest small businesses in the world -- bechtel. a small business that builds airports, sea ports, railroads, oil refineries, nuclear power plants. but back when it was just ye old bechtel shoppe, they built the hoover dam. today, the world's number one engineering and construction firm, a small business. companies aside, who are the actual people who would benefit from the republican tax cut for the richest small businesses? him, for one. bloomberg news reports the president and other big authors and actors and celebrities, even hedge fund managers, file as "s" corps to save on taxes. nor is mr. obama the only famous "s" corp. owner. recognize this guy? how about now? thanks to court documents reviewed by "countdown," we know one of texas' two richest men in the 1990s became an "s" corp.