Trump-Obama video, Russia-Ukraine and Winter Olympics

U.S. President Donald Trump condemns a racist video of former President Barack Obama posted on his social media account, but refuses to apologize. Russia launches a massive air assault on Ukraine’s energy infrastructure as temperatures drop. U.S. stocks rebound, with the Dow Jones topping 50,000 as investors return to AI chipmakers. Plus, ski mountaineering, the oldest winter sport, finally joins the Games.  *The video for this podcast has been updated to correct the location noted from Tyrol, Australia to Tyrol, Austria Listen to the latest On Assignment podcast: Super Bowl LX: Can the NFL go global? Listen to the Morning Bid podcast ⁠⁠here⁠⁠. Sign up for the Reuters Econ World newsletter ⁠⁠here⁠⁠.  Listen to the Reuters Econ World podcast ⁠⁠here⁠⁠. Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices.  You may also visit megaphone.fm/adchoices to opt out of targeted advertising. Learn more about your ad choices. Visit megaphone.fm/adchoices