USA Today: The U.S. must triple its investment in clean energy research to compete in the new global industry, a group of business executives including Bill Gates said Thursday. Gates said his work as co-chairman of the Bill and Melinda Gates Foundation, which focuses on education and health initiatives for the world’s poorest people, has led him to clean energy. “The climate impact will wholly fall on them” and will be measured “in deaths,” he said. The group, the American Energy …