There’s a lot Trump doesn’t understand about trade, but not everything he says is wrong.

History may be repeating itself.

Trump seems inspired by Herbert Hoover.

Bad policy begets bad policy.

Retaliation by our trading partners already is causing problems.

Here’s some of the destruction that may occur.

Protectionism is a punitive form of government intervention.

There’s cause for skepticism about Trump supporting free trade among G7 nations.

Bipartisan legislation would curtail Trump’s authority to unilaterally destabilize world trade.

Trump is sabotaging the progress he made on tax policy and regulation.