Dec. 23 (UPI) -- The United States on Monday launched a probe to look at China's use of "extensive anti-competitive and non-market means" in its bid to dominate the global market for legacy "workhorse" semiconductors and the impact on the U.S. economy. The special so-called 301 investigation will focus on "foundational" chips entering the United States inside products used in critical industries including defense, aerospace, telecoms, power infrastructure and medical devices, the White House