One year after markets tanked on fears of the coronavirus pandemic, stocks are looking up, and travel is picking up. United Airlines CEO Scott Kirby and CNBC’s Phil LeBeau discuss why the airline industry is optimistic about long-term travel demand as more and more people get vaccinated, and why a global minimum tax rate for corporations could mean industry turbulence ahead. Sotheby’s is partnering with digital artist PAK for its first sale of NFTs, or non-fungible tokens. CEO Charles Stewart considers the art world’s journey to digital assets and the audience and aesthetic opportunities this new crypto-art offers. Plus, countries are suspending use of the AstraZeneca vaccine, Moderna is testing its own vaccine on children and babies, and as vaccinations ramp up, offices plan their reopening strategies