Wilbur Ross : (3) " China is the world’s biggest exporter, but they’re also the people with one of the highest tariffs on imports in the whole world. That seems a little bit oxymoronic. " - Wilbur Ross " If you add up all the promises any politicians makes, the math doesn’t work. " - Wilbur Ross " The rules of origin in NAFTA need some tightening. Rules of origin are what let material outside of NAFTA to come in and benefit from all the taxes and tariff reductions within NAFTA. " - Wilbur Ross