As the specter of omicron looms large over the festive season, governments around the world are desperately trying to deploy Covid-19 booster shots in order to bolster people’s protection against the more transmissible variant. Meanwhile, Pfizer is working on the first antiviral Covid-19 pill. CNBC’s Meg Tirrell broke down the final analysis of Pfizer’s Covid-19 pill that showed a near 90% efficacy in preventing hospitalizations and deaths in high-risk patients. Companies from Lyft to Ford have had to delay and reassess return-to-office plans in recent weeks. Morgan Stanley CEO James Gorman walked back an edict that employees should be back at the office by now and issued a new forecast for how long companies would delay the return. Slack CEO Stewart Butterfield also discussed the future of work, the metaverse and the company’s merger with Salesforce. Plus, Apple’s march to $3 Trillion and Elon Musk – on the tweets and on Time's 2021 Person of the Year.In this episode:Stewart Butterfield, @stewartMeg Tirrell, @megtirrellJoe Kernen, @JoeSquawkBecky Quick, @BeckyQuickAndrew Ross Sorkin, @andrewrsorkinKlaire Odumody, @klairemarie