As lawmakers debate Boris Johnson's Brexit deal in the UK Houses of Parliament, thousands of protesters are calling for a second referendum outside: https://cnn.it/31sQnO9 | CNN

12K views · 365 reactions | Denmark entered a new era as King Frederik X assumed the throne following the shock abdication of his mother Queen Margrethe II. It's not just those from the Nordic country celebrating Margrethe handing the baton to her son. King Frederik X is ruling alongside his Australian-born and hugely popular wife, Queen Mary – which will undoubtedly delight her proud admirers back home. | CNN | Facebook

Donald Trump and Joe Biden are about to go head-to-head for the first time. What questions do you want to hear them debate? CNN special coverage of the most anticipated event of the election starts Tuesday at 7 p.m. ET | CNN