Still, the Supreme Court's expansive view of presidential power is giving Trump significant leeway -- with potentially more to come headed into the summer.

One year ago, the Supreme Court recognized criminal immunity for the sitting president. But when it comes to the systematic expansion of executive power, Friday’s ruling — which severely curtails the power of federal district courts to issue nationwide injunctions — dwarfs the immunity decision.

Few presidential powers are as consequential and enduring as the appointment of a judge to the Supreme Court of the United States. While the writers of the Constitution believed merit should be the sole determinant in nominations to the highest court,