"Decent nations do not permit their governments to assassinate their own citizens."

When you put it like that, it seems properly bizarre that we even have to discuss this.

Over at National Review (h/t Drum), Kevin Williamson gets it:

I am not a lawyer, but it seems clear to me that the state of our law is such that anybody with sufficient legal training can make a reasonably strong-sounding argument for any policy he chooses, and that if his argument is wrong, it is likely to be wrong in ways that are non-obvious....

So, set aside the legal questions for a second. The Awlaki case speaks to something even more fundamental than law: Decent nations do not permit their governments to assassinate their own citizens. I am willing to give the intelligence community, the covert-operations guys, and the military proper a pretty free hand when it comes to dealing with dispersed terrorist organizations such as al-Qaeda and its affiliates. But citizenship, even when applied to a Grade-A certified rat like Awlaki, presents an important demarcation, a bright-line distinction in our politics.

If Awlaki were to be killed on a battlefield, I’d shed no tears. But ordering the premeditated, extrajudicial killing of an American citizen in Yemen or Pakistan is no different from ordering the premeditated, extrajudicial killing of an American citizen in New York or Washington or Topeka — American citizens are American citizens, wherever they go. I’m an old-fashioned limited-government guy, and I am not willing to grant Washington the power to assassinate U.S. citizens, even rotten ones.

As he goes on to observe, it's extra-bonus bizarre that "conservatives" want to give this power to Barack Obama.