We're rebroadcasting our 2014 interview with Phyllis Tickle. In our conversation we explore the idea that our culture has been shaped by roughly 500-year cycles, which have helped define our major religious traditions for the past two millennia. According to Tickle, our present epoch - referred to by some as "The Great Emergence" - has the potential to yield a new Christianity distinct from Protestantism, Catholicism, and Orthodoxy.

In Sunday's Religion Moment, Katy Scrogin discusses the terracotta army.