Greta Gerwig unveils 'Narnia' trailer, reflects on CS Lewis' faith, legacy: 'These books created me'

An emotional Greta Gerwig reflected on the influence of C.S. Lewis, the role of faith in her filmmaking and the daunting responsibility of bringing the beloved "Chronicles of Narnia" to a new generation during an exclusive IMAX sneak peek event for her upcoming Netflix film, "Narnia: The Magician's Nephew."

“Pure religion and undefiled before God and the Father is this, To visit the fatherless and widows in their affliction…”