Evidently, with all the secrecy, this bill nullifies the Constitution. And the Republicans are pushing the bill.
Now you have hit on the real problem. Republican conspiracy to help destroy the US economy. Mitch McConnell and John Boehner are worse than Barack Obama.
Regulatory disputes in FTAs are resolved by the Arbitration Panels and a national judiciary is required to honor the Panel's ruling.
Remember the disputes from NAFTA? Metalclad, Methenex, Canadian Softwoods, Mexican Trucks.