It's Dr. Martin Luther King, Jr. Day and the markets are closed along with state and government offices. But we have a new show, including a conversation with Greg Peterson – Machinery Pete – about his Pick of the Week and previewing upcoming auctions. Plus Dr. Emma Knowland, is a lead scientist in the development of NASA GMAO’s atmospheric composition forecast system, GEOS-CF. She talks about its findings and what they tell us about climate change.