<p>➀ The author expresses confusion over the White House's approach to tariffs, suggesting it invites presidents and prime ministers to negotiate different tariffs.</p><p>➁ The author references Trump's playbook of making demands and then negotiating, noting Vietnam's offer to reduce tariffs to zero and Israel's promise to balance trade with the US.</p><p>➂ The author discusses the ideal of a tariff-free world, referencing Margaret Thatcher's influence on the EU to create a single market and Elon Musk's statement advocating for a zero-tariff situation between Europe and North America.</p>