War Powers

Trump’s strike on Iran violated constitutional limits on the president's unilateral power to take the nation to war—an authority the Framers reserved for Congress.

The White House’s legal justifications for attacking Iran are unconvincing and raise concerns about unauthorized use of force. Congress should push back.

An expert policy and legal assessment of the U.S. strikes on Iran's nuclear facilities and what comes next.

Experts who advised a president on use of force answer a full range of basic questions on the conditions under which action against Iran would be lawful, and what options Congress…

It is essential to understand the line between war and peace, scrutinize the application of wartime powers, and interrogate the president’s assertions when he triggers them.

Where judges have in the past and should in the future draw the line on judicial deference to the President in Alien Enemies Act cases.

The President should understand that bellicose threats and unreliability as an ally may leave the United States poorer and more vulnerable on his watch and will frustrate his nuclear…

Many of the emergency powers a president could unlock through pretextual invocations and arbitrary proclamations are injurious to a free, fair, and democratic society. The courts…

U.S. military action in Mexico would not only be illegal, it would sabotage Trump’s stated immigration policy priorities and could lead to retaliation against Americans.

Experts suggest questions for the Senate Foreign Relations Committee's confirmation hearing for Trump's pick for Secretary of State, Sen. Marco Rubio.

Beginning a national security reform process is not just necessary, but urgently demanded to break inertia and launch a new dynamic.

The involvement of U.S. armed forces in hostilities in this tinderbox—without congressional authorization—should spur the legislative branch into action, including to enact…