> You're clearly not paying attention.

You clearly just want to have a convenient source for your frustration and show no interest in actually solving the problem permanently.

> Which checks?

Congress. They pass laws. The administration is bound, by the constitution, to follow those laws and to administrate them with "due care."

> The supreme Court OKed stopping people because they were brown ("Kavanaugh stops") and Congress has lost the power of the purse

What does this have to do with tax law?