Agence France-Presse: Climate change was thrust to the forefront of the US political agenda recently in the wake of the devastation caused by superstorm Sandy and record high temperatures across the country. But despite President Barack Obama renewing his early promises to act, experts said political opposition would make it at least as difficult as during Obama's first, failed push to get new legislation through Congress, and said decisive measures will remain unlikely. "All the public opinion polls show a better understanding...