The leaders of Mexico, Canada and the United States signed a North American trade pact on Friday after brinkmanship over the final details of the deal continued through the eve of the signing.
They agreed on a deal in principle to govern the more than trillion dollars of mutual trade after a year and a half of acrimonious negotiations concluded with a late-night bargain just an hour before a deadline on September 30.
Since then, the three sides have bickered over the wording and the finer points of the deal and still had not agreed just hours before officials were due to