Biden's vaccine deadline will likely fall a bit short as the Delta variant keeps spreading

President Joe Biden set a goal of having 70% of adults get at least one COVID-19 vaccine shot by July 4th. Are we going to hit that goal? What is keeping the unvaccinated from getting shots? Dr. Donald Schwarz, Senior Vice President for Program at the Robert Wood Johnson Foundation was also a former health commissioner in Philadelphia during the Nutter administration, he joins KYW Newsradio In Depth to talk about vaccine resistance in the United States and why people are underestimating the Delta variant.