I believe that the power to declare war is most important in limiting the powers of the national government in regard to the rights of its citizens, but that it does not require Congress to give its approval before the president uses force abroad. I do not believe that the framers of the Constitution understood the power to declare to mean "authorize" or "commence" war. That does not mean that the separation of powers or checks and balances will not work.
John YooHuman rights advocates, for example, claim that the mistreatment of Iraqi prisoners is of a piece with President Bush's 2002 decision to deny al Qaeda and Taliban fighters the legal status of POWs under the Geneva Conventions.
John YooIt is the policy of the United States not to engage in torture, and there are federal criminal laws that prohibit torture.
John YooWithout territory, it does not even have the resources to provide detention facilities for prisoners, even if it were interested in holding captured POWs.
John Yoo