Crackerette, I thought you'd never ask.
It is under the authority of his powers as commander in chief that Bush asserted the right to keep nearly five hundred “enemy combatants” in detention in Guantánamo.
Bush has also asserted the same authority in dealing with numerous bills passed by Congress, most spectacularly in his treatment of the McCain amendment banning “cruel, inhuman or degraded treatment” of POWs. In his signing statement, Bush said:
“The executive branch shall construe [the torture provision] in a manner consistent with the constitutional authority of the President to supervise the unitary executive branch and as Commander in Chief and consistent with the constitutional limitations on the judiciary….”