Dr. James Hansen is widely regarded as the leading climate change scientist in the country. For the past twenty-five years, he has headed NASA’s Goddard Institute for Space Studies. Just over a year ago, Dr. Hansen went public with a charge that made headlines around the world—that the Bush administration had been trying to silence his warnings about the urgent need to address climate change. Dr. Hansen joins us in our firehouse studio. His story is detailed in a new book by author Mark Bowen titled Censoring Science: Inside the Political Attack on Dr. James Hansen and the Truth of Global Warming. Mark Bowen joins us from Massachusetts. [includes rush transcript]