WASHINGTON (AP) — President Donald Trump is hailing a revised North American trade deal as if nothing existed before it.

The pact with Mexico and Canada stands as a "model agreement that changes the trade landscape forever," he said at a signing ceremony with the other leaders Friday in Buenos Aires, Argentina. But fundamental change happened under the deal's predecessor, the North American Free Trade Agreement.

The new one brings largely incremental change, with a few significant advances for the auto industry, and it has a new name, the United States-Mexico-Canada Agreement.

Canadian Prime M...