But the president's latest argument might be the most foolish—and most socialist—that he's rolled out yet: America is one big department store, and Trump is the general manger.

Go back to the department store analogy, flawed though it is. In this case, the shopkeeper believes he's saving money by refusing to buy products from his suppliers. Trump has said as much.

But the president's latest argument might be the most foolish—and most socialist—that he's rolled out yet: America is one big department store, and Trump is the general manger.