It's apparently overlooked by the good partisans on this board that a memo (a summary) of the legal basis claimed for killing Americans without constitutional Due Process via drone targeting, which is a Dubya administration concept carried over by the Obama administration.
One partisan didn't overlook it. You. And in a thread containing the word "accountability" in it's title, you've managed to blame republicans for Obama's ordering of the deaths of US citizens without evidence of wrongdoing or trial.