Davos 2020: Trump rejects climate 'prophets of doom' at World Economic Forum
Other World News Videos
Lady Gaga sings US national anthem at Joe Biden inauguration ceremony
Joe Biden Inauguration: Kamala Harris sworn in as first woman Vice President of United States
Joe Biden takes oath as 46th US President, pleads for unity in inaugural address
China: Alibaba founder Jack Ma makes first public appearance in three months
Donald Trump leaves White House, bids farewell to Washington, vows to 'be back in some form'