Many things (critical for national security, able to be made by automated processes) should have to be made in the USA if vended in the USA.
The motor vehicle trade at a minimum should be balanced. Engines Made in the USA might be bartered (within a company) for parts Hecho en Mexico.
The principle should be one of financial balance rather than mere fairness. There are going to be people in the world willing to live on 25% less than you.
Assignable warrants should be initially granted to the US government for say imported steel. If a Chinese company dumps steel the warrant should allow for another future purchase by a warrant buyer within five years at the dumped price (adjusted 3% yearly for monetary inflation).
Even our PRESCRIPTION DRUG SUPPLY COMES FROM CHINA! Thanks to the open border neoCON scum like Romney and Paul RYNO that hollowed out this country just to make a few bucks!