Should US manufacturing policy embrace job restoration or retraining?

In the run-up to the 2024 elections, Joe Biden and Donald Trump are targeting industrial states such as Michigan, Pennsylvania and Wisconsin that played key roles in determining the outcome of the two previous elections. Despite their numerous differences, both candidates have emphasized the need to restore jobs that were lost in manufacturing. President Biden has kept most of Trump's tariff increases in place, and he recently announced plans to more than triple the tariff rate on Chinese steel and aluminum to 25 percent from 7.5 percent. Previously, Donald Trump indicated he is considering tariffs of more than 60 percent…