IRVINE, Calif., and WASHINGTON, D.C. – September 3, 2014 –News Highlights:300 semifinalists selected to compete in fourth annual Broadcom MASTERS® – the nation’s most prestigious Science, Technology, Engineering and Math (STEM) competition for middle schoolersSemifinalists hail from 36 states and Puerto Rico—71 of the semifinalists are from California, followed by Florida with 31, Texas with 22, Oregon with 19, Ohio with 17, and Pennsylvania with 1430 finalists to be named September 17; winner r