![The Brian Lehrer Show show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/030/137/small/wnyc-s-brian-lehrer-show.jpg)
Summary: <p>Despite last week's vaccine expansion and CDC mask guideline updates, there are several more obstacles to overcome before the United States can reach herd immunity. S. Mitra Kalita, co-founder of URL Media and CEO and publisher of Epicenter-NYC, joins to explain how we can overcome them as a society.</p>