Reuters: Clues about what to expect in a White House package of climate measures expected within weeks might be found in a report given to the president in March by a blue-chip team of scientists and business leaders. The President's Council of Advisors on Science and Technology (PCAST), led by President Barack Obama's chief science adviser John Holdren, listed six major components that should be central to the administration's second-term climate change strategy. The document outlined a mix of measures...