Economic history shows why Trump’s ‘America First’ tariff policy is so dangerous "The U.S. Wants Back in the TPP? Good Luck With That" March 2, 2018 8.35am AEDT Updated April 5, 2018 3.37am AEST https://theconversation.com/economic-history-shows-why-trumps-america-first-tariff-policy-is-so-dangerous-92715