The top marginal tax rate in the US was 90% for most of the post WWII 20th century and that didn’t seem to hurt anyone. Invented transistors, went to the moon, built interstate highway system, mass construction of nuclear power, and became the world leader in manufacturing

Today we have low tax rates and can’t make chips, still working on that moon landing, can’t build high speed rail, can’t build nuclear, and are trying to tariff our way back to a manufacturing sector

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