In a post on Iran's killing of Americans, Professor Reynolds is blunt and to the point:

This has been obvious for a long time anyway, and I don't understand why the Bush Administration has been so slow to respond. Nor do I think that high-profile diplomacy is an appropriate response. We should be responding quietly, killing radical mullahs and iranian atomic scientists, supporting the simmering insurgencies within Iran, putting the mullahs' expat business interests out of business, etc. Basically, stepping on the Iranians' toes hard enough to make them reconsider their not-so-covert war against us in Iraq. And we should have been doing this since the summer 2003. But as far as I can tell, we've done nothing along these lines.

Glenn will no doubt attract virtual bricks from the usual suspects, but he goes right to the heart of the problem.  If we know that Iran is killing American soldiers, if we don't punish that action is some way, the killing will not only continue, it will increase.

Note that Hezbollah hasn't kidnapped any Israeli soldiers lately.  There's a reason.

I will ask NZ to post a question at the group blog at the Victory Caucus today or tomorrow on how the US ought to respond.