After three days of marathon meetings, the United States and Canada failed to reach a preliminary agreement on the North American Free Trade Agreement (NAFTA). The talks concluded Aug. 31, a soft deadline imposed by the United States, which wanted to wrap up NAFTA talks this week after a deal was made with Mexico on Monday. Washington wants to sign a trade deal before Mexican President-elect Andres Manuel Lopez Obrador takes office on Dec. 1. However, after Canada was not involved in NAFTA talks for over a month, three days was not enough time for Ottawa and Washington to resolve their differences....