他在三十年后重新翻出20世纪90年代北美自由贸易协定（NAFTA）争论的旧账，而不去面对机器人和人工智能所带来的更加重要的二十一世纪就业挑战。
He is reprising the 1990s NAFTA debate over free trade, rather than facing the far more important twenty-first-century jobs challenge posed by robotics and artificial intelligence.