The left has gone ballistic over criticism that teen climate-change activist Greta Thunberg resembles some of the Nazi propaganda that was used to turn the world against Jews more than half a century ago. The Swedish 16-year-old, who is skipping school for a year to to protest climate change, charged in a speech at the United Nations on Monday that the adults in the room were stealing her dreams and her childhood. "People are suffering. People are dying. Entire ecosystems are collapsing," she claimed. "We are in the beginning of a mass extinction." Author and filmmaker Dinesh D'Souza noted her...