This morning I argued that the Obama administration had violated the War Powers Resolution unless its is correct in its contention that the 2001 and 2002 AUMFs together authorize the use of force against...

On Monday, Senator Cruz maintained that the War Powers Resolution (WPR) clock had expired because 60 days had passed since the first air strikes against the Islamic State, which the President notified Co...

I have been left astonished by the protests that rocked Hong Kong last week, especially the organization, kindness and ambition of the youthful protesters asking Beijing for the right to choose who runs ...

President Obama says he would “welcome congressional support” but does not need authorization from Congress in order to use force against the Islamic State.  The President appears to have taken no steps ...

Editor’s Note: As the United States goes to war in Iraq and Syria, President Obama and senior administration officials have repeatedly stressed the threat the Islamic State poses and emphasized the organ...

Marty Lederman has a thoughtful response over at Just Security to my post from yesterday.

Earlier this year, I published an article called "Folk International Law," in which I argued that there were many unappreciated and little understood costs to the convergence of LOAC and international hu...

For the two people still following the exchange between me and Peter Margulies over the bottom-side briefing in the al Bahlul D.C.

Harold’s Koh’s grudging defense of the domestic legal basis for President’s Obama’s use of force against the Islamic State in Iraq and Syria is important.  It adds little new to other defenses of the Pre...

I must confess that I don't fully understand Peter Margulies' response to my post from earlier today. My post argued that the bottom-side briefing in the D.C.

You read that right: Hong Kongers have found an app that allows users to communicate without using the Internet or mobile signals. Specifically, the Firechat app utilizes Bluetooth technology to allow u...