If President-elect Donald Trump needs an object lesson on the difficulty of reviving broad sectors of U.S. manufacturing, he need look only as far as his daughter's closet.
Ivanka Trump's $100 million apparel line is sewn in Asian countries under a licensing agreement with G-III Apparel Group Inc., which has expanded from making coats in New York's Garment District to become a manufacturer of global scope.
That method of moving $140 sheath dresses and $80 sweaters means political embarrassment for her father, who has threatened a trade war against China, the world's second-largest economy. But she can make a profit in few other ways.
Manufacturing apparel in the U.S....