San Diego Union-Tribune: Thousands of world leaders and scientists will meet in Paris next month for the United Nations conference on climate change. A key goal of the summit is to reach agreement on limiting or reducing greenhouse gas emissions. Among those attending the Paris conference will be Margaret Leinen, director of Scripps Institution of Oceanography, and Scripps scientists Richard Somerville and Lisa Levin. The three met recently with The San Diego Union-Tribune Editorial Board to discuss climate change and the...