"Men are traded and sold like chattel"—tweets on military contract workers

During the premiere of our "America's War Workers" episode the Fault Lines team hosted a live twitter chat about human trafficking, the U.S. tax dollars that directly subsidize it and the workers on U.S. military bases caught in the middle. See the discussion below and chime in the issues in the comments. What level of accountability should the U.S. corporations that have been contracted to handle operations on U.S. military bases be held to? Is the U.S. doing enough to prevent the sort of human trafficking that causes military contract workers to be in bonded labor for months?