[JamisonM]

> This ignores the reality of power in the US. Presidents can't implement multi-decade initiatives.

Which is why if anyone wanted to actually bring manufacturing "back" to the US they would work with congress and pass laws that curtailed the tariff powers in a way that ensured that in the areas where you wanted long term investment the president would not have the power to change policy unilaterally. At which point the typical congressional gridlock would serve to ensure stability going forward and allow businesses to invest.