private security contractors

April 27, 2012 - Republican presidential hopeful Newt Gingrich announced this week that he's suspending his campaign, but he continued campaigning -- and taxpayers were footing part of the bill.

December 16, 2011 - With the U.S. war in Iraq declared to be officially over, a look at the conflict's costs by the numbers.

October 24, 2011 - American oil and security firms see big opportunities in post-Gaddafi Libya.

November 25, 2008 - Blackwater Worldwide, the North Carolina-based private military contractor, is facing a multimillion-dollar fine from the State Department for shipping hundreds of automatic weapons to Iraq without the required permits.