Virtually anyone who has ever watched a profound movie, a powerful TV show, or read a moving novel understands that entertainment can and does affect us in surprising and significant ways. But did you know that our most popular forms of entertainment can have a direct physical effect on us, a measurable impact on society, geopolitics, the economy, and even the future itself? In You Are What You Watch, Walter Hickey, Pulitzer Prize winner and former chief culture writer at acclaimed data site FiveThirtyEight.com, proves how exactly how what we watch (and read and listen to) has a far greater...