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11K views · 625 reactions | It has been an extraordinary year, filled with historic events. There was chaos and despair, but also heroism, hope and resilience. Here's a look back at the year 2021, in pictures. https://cnn.it/3Jc2yFU | CNN International | Facebook

569K views · 786 reactions | “The explosive nature of this virus, as well as the clear evidence of asymptomatic spread…really demonstrates that a vaccine might be needed to end this pandemic.” Dr. Dan Barouch, who is on a team working on a coronavirus vaccine, says the vaccine may be ready by early 2021. https://cnn.it/34BtRpx | CNN Replay | Facebook

CNN's Kaitlan Collins speaks with Maryland Democratic Gov. Wes Moore about whether President Donald Trump can order deployment of the National Guard in his state. | CNN