Protesters are back at Davos, and two big issues are front of mind: Donald Trump and Elon Musk

Donald Trump and Elon Musk loom large over this year's World Economic Forum in Davos.
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Schoolgirl Greta Thunberg leads sit-down protest at Davos over climate change

A Swedish schoolgirl led a climate protest outside the summit of global CEOs and politicians at Davos, Switzerland on Friday. Greta Thunberg sat down on the snow-covered ground outside the World ...