House Democrats demanded documents Thursday about a multibillion-dollar overseas contracting loophole to track down how _ and why _ the Bush administration slipped it into plans to protect taxpayer money.
The controversial loophole has irked Democrats and Republicans alike. But it has the support of a trade association that lobbies on behalf of giant global government contractors, including Blackwater USA, KBR Inc., Boeing Co., CACI International Inc. and Lockheed Martin.