Asheville Citizen-Times: Former Vice President Al Gore, who brought us the 2006 blockbuster “An Inconvenient Truth,” has made waves again by issuing a challenge to the United States to source all of its electricity from clean, renewable energy within a decade. Gore’s call, made to a crowd assembled in the Constitution Hall of the Daughters of the American Revolution in Washington, D.C., is indeed revolutionary. It goes beyond the most aggressive proposals on the table from members of Congress – or even most …