Our take: Mitt Romney gives rare insight into how his faith has shaped his life. CNN Chief Political Analyst Gloria Borger's documentary "Romney Revealed: Family, Faith and the Road to Power" airs Monday at 8 and 11 p.m. ET on CNN

It is a side of Mitt Romney the public often does not see -- opening up about his faith, devotion to his family and his work as a Mormon overseas missionary and later church leader at home.

In a rare discussion of these topics, he described to CNN Chief Political Analyst Gloria Borger his 2 years as a teenager serving as a church missionary in France. He said that period helped "ground my relationship with God" and cement his beliefs.