If confirmed as President-elect Joe Biden’s secretary of defense, retired Gen. Lloyd Austin will be the first Black man to lead the Pentagon. And, it’s “V-Day” in Britain — “V” for vaccine — as the UK on Tuesday became the first Western nation to start vaccinating people against the coronavirus. China and Nepal have long debated the actual height of the world’s tallest mountain, which borders the two countries. But on Tuesday, they put an end to the dispute. 

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