Nelson Mandela's African National Congress has held power for more than thirty years, but that could soon change. And saffron is the world's most expensive spice, revered as sacred in many cultures. But climate change is making the delicate flower that produces it harder than ever to harvest. 

Bruce Shapiro takes us inside Donald Trump's first day in court as a criminal defendant. In China, the Communist Party keeps tight control of the narrative of the history of China. Ian Johnson introduces us to the artists and film makers who are challenging that narrative - at their own peril.