Russia will test the 'Sputnik Light' Covid vaccine to take it further
China's Xi congratulates Kim on a new title
Coronavirus digest: 90 million infections worldwide
Biden chose Burns, an experienced diplomat, as director
Kamala Harris's husband, Doug Emhoff, will be the country's first 'second gentleman'
Biden will go to the Oval Office in which he has a big problem. Here are what they are.