USA Today: President Obama's Berlin speech Wednesday heightened anticipation that he will soon announce a new policy plan on climate change. "For the sake of future generations, our generation must move toward a global compact to confront a changing climate before it is too late," Obama said in his remarks at the Brandenburg Gate. "That is our job, that is our task -- we have to get to work." One possible component of a new climate change plan: Restrictions on carbon emissions at power plants. Obama pledged...