Greta Thunberg rejects U.S. Treasury chief's degree dig
Video Credit: Rumble - Duration: 01:58s - Published
Greta Thunberg rejects U.S. Treasury chief's degree dig
Thunberg joined students for a climate strike on Friday after attending the World Economic Forum in Davos, where U.S. Treasury Secretary Steven Mnuchin had earlier jibed that she should study economics.
Emer McCarthy reports.
