Rarely has a president’s national emergency declaration been challenged in court. Truman signed the emergency declaration and seized privately owned steel mills to preempt a national steelworker strike during the Korean War. As a result, the Youngstown analysis began with the fact that Congress never gave Truman the power to declare a national emergency. Now, those chickens have come back to roost.”[Trump may declare a national emergency in the border wall battle. "They’re about to make the steel seizure decision the most famous Supreme Court case in Washington for the next couple months.

Source: Washington Post February 15, 2019 19:39 UTC