U.S. News and World Report: This is the second time around in a top government job for Carol Browner. She was director of the Environmental Protection Agency under Bill Clinton and has returned as a senior adviser to President Barack Obama for energy and climate change. Browner says eight years has made a huge difference in public attitudes and that Americans are more willing than ever to work for energy independence. In a recent interview with U.S. News, Browner discussed Obama’s “green” objectives and how his agenda …