FILE - In an April 22, 2008 file photo, children are shown participating in physical education at the T. Don Hutto Residential Center in Taylor, Texas, during a tour for the media. The

 

              FILE - In an April 22, 2008 file photo, children are shown participating in physical education at the T. Don Hutto Residential Center in Taylor, Texas, during a tour for the media. The
FILE - In an April 22, 2008 file photo, children are shown participating in physical education at the T. Don Hutto Residential Center in Taylor, Texas, during a tour for the media. The U.S. is locking up more illegal immigrants than ever before, generating a lucrative business for the nation's largest prison companies. (AP Photo/Donna McWilliam, Pool, File)