One Reason there will not be a grand bargain in 2019

Stan Collender thinks there are ten reasons we won't do it before:

The 10 Reasons There Won't Be A Grand Budget Bargain Until 2019
 
His basic story is Congress has ten things on its plate before then. My theory says we have a census in 2020, and that census will shift 10% of the Congressional seats from the little Hoover states to Texas, California and Florida. These large states will force us to wait, that they can exercise their new powers in the House.