They come to us as they were from millions of years ago and today they are vital to fighting Covid and other diseases. On part one, Author William Sargent talks about his new book Crab Wars. The demand is outstripping the supply of these creatures; we citizens can help. And on part two, it seems the China hawks are still in power. As scholar Michael Klare explains, China replaces terrorism as the justification for big Pentagon spending. But with John Kerry taking the lead on cooperating with China on climate change there are great risks as well as opportunities.