OTTAWA - The head of the Canadian Chamber of Commerce calls the breakdown in talks for a Canada-U.S. trade deal a "self-defeating" body blow for continental competitiveness.

OTTAWA - The head of the Canadian Chamber of Commerce calls the breakdown in talks for a Canada-U.S. trade deal a "self-defeating" body blow for continental competitiveness.

"Either way, Friday was destined to be a bad day for North American businesses," said Ontario Chamber of Commerce CEO Daniel Tisch