Throwing up walls isn&#x27;t going to protect people from the US.  It&#x27;s a facile and ultimately unproductive response that plays to fear.  The answer is to make US workers competitive in a global marketplace.  And it absolutely is possible to compete on things other than price.<p>And while his numbers are invented, the concept is spot on: producing some things is expensive in the US, perhaps too much so to be competitive.