'Currently chilling': Greta Thunberg ridicules Trump's angry tweets

Trump posted insults about Thunberg weeks after his family was outraged over mention of teen son Barron at congressional hearing Incensed perhaps by her selection - and not his - as Time magazine's person of the year, Donald Trump opened Twitter fire Thursday morning on the climate activist Greta Thunberg. Related: Trump impeachment: House prepares for crucial vote amid whistleblower row - live