Who is afraid of Greta Thunberg?Swedish teen activist Greta Thunberg completed her trans-Atlantic crossing in order to attend a United Nations summit on climate change in New York on August 28 [Reuters/Andrew Kelly] It was, in a subtle way, a defining moment. After a 15-day trek across the Atlantic Ocean, Thunberg looked exhausted. Still, the 16-year-old climate change activist knew she had to talk about the meaning and purpose
