The delicate science of counting crowds

Here’s how we know how many people were in the crowd for Donald Trump’s inauguration — and why you won’t hear the number on TV. www.youtube.com/watch?v=boOWZXZXINU Host: Russel Brandom Director: Kimberly Mas Camera: Tom Connors Graphics: William Joel Audio: Andrew Marino Learn more about your ad choices. Visit podcastchoices.com/adchoices