WASHINGTON - Democrats on Thursday laid out a “Green New Deal” that would eliminate U.S. greenhouse gas emissions within a decade, an effort to make climate change a central issue in the 2020 presidential race. The document, unveiled by rising political star Representative Alexandria Ocasio-Cortez and Senator Edward Markey, marks the first formal attempt by lawmakers to define potential legislation to create big government-led investments in clean energy and infrastructure to transition the U.S. economy away from fossil fuels. The plan, which takes the form of a non-binding congressional resolution, outlines some of the most aggressive climate goals ever put...