Best of Today

Donald Trump's presidency is coming to an end as he makes way for Joe Biden a week after the riot at the Capitol building in Washington. Nick Robinson discusses President Trump's record with his former communications director, Bryan Lanza, the New Yorker's David Remnick, and Andrew Sullivan, of The Weekly Dish. Photo: Donald Trump. Credit: Reuters

A global computer chip shortage has slowed car production lines - what has led to this situation? (Image: a worker wears a protective mask at the Volkswagen assembly line in Wolfsburg, Germany, Credit: Reuters/File Photo)

Russian opposition politician Alexei Navalny has been arrested on return to Russia. He accuses the Kremlin of trying to poison him. His friend and ally Christo Grozev, lead investigator at Bellingcat, tells Justin Webb that Navalny's family had supported him in taking the major risks of returning to Russia. Photo: Alexei Navalny. Credit: BBC

How tough are health and safety authorities being on workplaces that are not properly protecting against transmission of the coronavirus? (Image: workers get their temperature taken. Credit: Getty Images)

It's been 20 years since the launch of the website, Wikipedia. Despite much criticism early on about inaccuracies, the online encyclopedia has become the 15th most popular destination on the web and is maintained by a community of volunteer editors. Today programme's Nick Robinson speaks to cognitive psychologist and author Professor Stephen Pinker and the founder of Wikipedia Jimmy Wales on the website's legacy and how it has escaped controversy. (Image: Wikipedia page; Credit: European Pressphoto Agency)