The legislature is the supreme power in the federal government with the power to impeach the other two branches. So no, it's not political grandstanding. Now if

The legislature is the supreme power in the federal government with the power to impeach the other two branches. So no, it's not political grandstanding. Now if the congressional majority allows for the executive to take an illegal amount of power there's no one to stop that, in the same way that I'd the police stop enforcing laws against their own family members there's not really anyone to enforce those laws in their place.