Norman Vincent Peale, minister of the Marble Collegiate Church in Manhattan and author of best-seller "The Power of Positive Thinking" had a significant influence on the Trump family, says family biographer Gwenda Blair, author of "The Trumps: Three Generations of Builders and a Presidential Candidate."
Produced by Arielle Berger. Camera by Jacqui Frank.
Follow BI Video: On Twitter
Join the conversation about this story »
