Below is a slightly modified version of my column in The Hill on the call of Democrat members for Joe Biden to circumvent Congress and simply raise the debt limit unilaterally. It is more than a flawed constitutional theory. It is an abandonment of the core premise of our constitutional system that each branch would jealously protect its own institutional interests and powers. It is reminiscent of when Democrats applauded wildly when Barack Obama told them that he was going to circumvent Congress entirely after it refused to approve his immigration and environmental legislation. They were applauding their own institutional...