Protectionism is back, above all, in the US. The driving forces behind it are xenophobia and nostalgia. Arguments can be made for a degree of self-sufficiency, for reasons of national security. But those arguments need meticulous assessment. This is not what has been happening, certainly not under Donald Trump. But though the tone is different under Joe Biden, the reality is not, alas. On the contrary, protection has become one of the few issues on which there is bipartisan consensus.
保護主義捲土重來，尤其是在美國。在背後起推動作用的是仇外和懷舊情緒。可以提出一些理由來證明有必要實現一定程度的自給自足，這是出於國家安全的考慮，但需要對這些理由進行細緻的評估。一直沒有進行這樣的評估，在唐納•川普(Donald Trump)的任期內當然不會有。喬•拜登(Joe Biden)上臺後，儘管論調不一樣，但現實狀況卻沒什麼不同。相反，實施保護主義已成爲兩黨能達成共識的少數幾個問題之一。
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