Activist Greta Thunberg posted a Twitter post on Wednesday (20) in which she mocked Donald Trump. To paraphrase an old post from the US President, Greta, an 18-year-old Swedish teenager known for her environmental advocacy, wrote: "He looks like a very happy old man looking for a bright future. Very cool to see!". Find out more (01/20/2021 – 12:36 p.m.)