Trump trade chief reveals what preceded Canada walking away from 'best deal in the world'

President Donald Trump's top trade advisor, U.S. Trade Representative Jamieson Greer, said Canada walked away from the "best deal in the world" after the nation declined to finalize a trade agreement with the U.S. nearly two weeks ago.

Greer joined "Special Report" on Thursday to detail the negotiations that preceded the contentious trade fight between the U.S. and its northern neighbor.

"We offered them the best deal. They looked at it square in the face and turned around," he said...