As the United States, Canada and Mexico embark on talks to renegotiate the 23-year-old North American Free Trade Agreement (NAFTA), we take an in-depth look at key issues for textile and apparel supply chains. In the latest developments, the three partner countries concluded the first round of talks saying they were committed to "an accelerated and comprehensive negotiation process"; but US president Donald Trump has revived threats to pull the US out of NAFTA.