Canada could make some gains if NAFTA reopened: negotiators

By Leah Schnurr OTTAWA (Reuters) - Canada, fearful of talk by the U.S. presidential candidates to reopen the North American Free Trade Agreement, could use the opportunity to push for a better deal on worker mobility, dispute resolutions and other issues, Canadian negotiators of the original pact said. Republican Donald Trump calls NAFTA the worst trade deal signed by the United States and Democrat Hillary Clinton has signaled a change of position on the 1994 pact she supported when it became la