The Texas team hugs their coach after winning first place in the team competition for the third consecutive year at Raytheon MATHCOUNTS® National Competition in Washington, D.C.WASHINGTON, May 14, 2018 /PRNewswire/ — For the first time in the competition’s 35-year history, a teen Mathlete® won the Raytheon MATHCOUNTS National Championship for the second year in a row. Luke Robitaille, a 14-year-old homeschooled eighth grader from Euless, Texas, is the 2018…