Sam Schwartz, aka Gridlock Sam at the Daily News, former NYC Traffic Commissioner, president and CEO of Sam Schwartz Engineering, a transportation planning and engineering firm, and author of No One at the Wheel: Driverless Cars and the Road of the Future (Public Affairs, 2018), talks about the American Public Transportation Association report he authored, which concluded that mass transit is not a major spreader of COVID-19 and Stephen Morse, virologist and epidemiologist at the Columbia University Mailman School of Public Health, weighs in on the data.