Agence France-Presse: Barack Obama hopes to raise some 80 billion dollars each year beginning in 2012 by imposing market-based limits on climate-warming gases, according to the president’s draft budget released Thursday. The potentially groundbreaking program — similar to one already in place in Europe — would rev up US efforts to global warming by reducing the output of carbon dioxide and other gases blamed for global warming, at the same time raising direly-needed revenue for the depleted US …