Foreign workers could fill the current gap in our high-tech competition with China

When the world's largest computer chip maker pledged to pump $40 billion into a production hub in Phoenix, it sparked optimism that the United States would remain a world leader in tech. But the huge investment has been slowed due mainly to "an insufficient amount of skilled workers," according to Taiwan Semiconductor Manufacturing Company chairman Mark Liu, who complained that his company would have to fly in "experienced technicians from Taiwan to train local workers." He's not alone in his concern. A recent report commissioned by the U.S. Department of Energy found that the U.S. is losing its competitive advantage…