You really need to think this through . . . if Congress has the ultimate authority, but that authority is governed by the 2/3 rule, which branch of government regulates commerce with foreign nations if a 2/3 vote fails?
In other words, if Congress has the ultimate, plenary authority, what happens when your inevitable vacuum occurs?
>>>You really need to think this through . . . if Congress has the ultimate authority, but that authority is governed by the 2/3 rule, which branch of government regulates commerce with foreign nations if a 2/3 vote fails?<<<
Using your logic ... if Congress has the ultimate authority, but that authority is governed by a majority rule, which branch of government regulates commerce with foreign nations if a majority vote fails?