And through it all, Ms. Broadway said she drew inspiration from stories such as the life of John Newton, the British slave-ship captain whose conversion to Christian faith made him an abolitionist and the author of "Amazing Grace," one of the world's best-loved hymns.
"I committed to praying for one block in [the] neighborhood that I walked through. Over course of 15 months, I really saw things starting to happen. ... I would ask people on the block how I could pray for them [and found] more and more openness. People were much more receptive" to spiritual conversations, she said.