On Friday in Beijing, Olympians took part in the parade of athletes at the opening ceremony of the 2022 Winter Olympics. And the Polish government's current approach to Holocaust history emphasizes "telling all sides" and highlighting the bravery and suffering of non-Jewish Poles. This historical revisionsim has had a chilling effect on Polish Holocaust scholarship. Also, humans used to dine on 6,000 plant species, so why has our modern diet been whittled down to just nine? The author of “Eating to Extinction” explains why we need to pay more attention to diversifying the world’s food supply.