US, Canada, Mexico kick off NAFTA renegotiations amid uncertainty

US Trade Representative Robert Lighthizer (C) attends the first round of renegotiations on the North American Free Trade Agreement (NAFTA) in Washington DC, the United States, on Aug 16, 2017. [Photo/Xinhua] WASHINGTON – The United States, Canada and Mexico on Wednesday kicked off here the first round of renegotiations on the North American Free Trade Agreement…