The only power congress theoretically has to impact the administration is that of the purse.

But the admin has repeatedly ignored such restrictions. This check on power also loses it's teeth when the oligarchs align themselves behind the executive branch.

That's not true at all, they could:

- impeach

- pass new laws / revise old laws

- hold real hearings

- amend the constitution

Now practically will this congress do so? No, but in principle they wield more power than the executive.

They can also impeach