Greta Thunberg isn't qualified to lecture the US on climate change, Treasury Secretary Steven Mnuchin says

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· *Greta Thunberg isn't qualified to lecture the US on climate change, US Treasury Secretary Steven Mnuchin said at Davos on Thursday.*
· *"Is she the chief economist or who is she? I'm confused," Mnuchin jokingly replied to a question about the Swedish teenager's call for America to quit fossil fuels.*
· *"After she...