A tiny screw shows why Apple's iPhones won't be 'assembled in USA'

Starting pay for workers assembling its products in China costs about $3.15 an hour. Compensation for similar jobs in the United States is significantly higher

Despite a trade war between the United States and China and past admonishments from the US President Donald Trump “to start building their damn computers and things in this country,” Apple is unlikely to bring its manufacturing closer to home.

A tiny screw illustrates why.

In 2012, Apple’s chief executive, Timothy D Cook, went on prime-time television to announce that Apple would make a Mac computer in the United States. It would be the first Apple product in years to be manufactured by American workers, and the top-of-the-line Mac Pro would come with an unusual inscription: “Assembled in USA.”

But