Oh, Never Mind. They Weren't A Threat After All

This distrubs me: U.S. to Free 141 Terror Suspects

The Pentagon plans to release nearly a third of those held at the prison for terrorism suspects here because they pose no threat to U.S. security, an official of the war crimes tribunal said Monday.

What happened? Were they rehabilitated? Or are we finally figuring out -- four years later -- that they were never a threat to begin with?