If they don't, they better leave my rights alone!
Congress and the Senate?
Did the Senate Secede?
Seriously, this will never happen for the simple reason that if an official Declaration of War is made, a good chunk of our Congress would be prosecutable for Treason and Sedition.
While I would love to see that, they may be ignorant, but they're not stupid.
They would vote themselves into a corner?
There not going to do that because they would then have to follow the Geneva Convention.