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.

The high court has given the president immunity and protected him from nationwide injunctions. Congress is giving ground on spending and tariffs. It adds up to a turbocharged executive.