Small word of warning on this whole subject....
Dems were ok when Obama greatly extended exective powers, now Trump inherited those.
Dems were ok when Harry Reid triggered the 'nuclear option' to allow confirmations of judges and cabinet positions filled with a simple Senate majority, so that they could get controversial judges and cabinet members appointed without compromise.
Now Dems are ok with low level federal courts blocking the executive branch from actions which the executive states are for the protection of Americans, which appears to be clearly within the scope of the executive branch, and without much legal precedent.
It's all part and parcel of the same trend. That third item isn't going to turn out well either.