"Ours is said to be a Godless age, yet billions remain faithful to religions thousands of years old.

This provocative eight-part series explores the history and global impact of the world's biggest religion through the personal views of leading British figures.

Over the course of the series, eight high-profile personalities - including Michael Portillo, Rageh Omaar, Kwame Kwei-Armah and Cherie Blair - look at the origins and history of the Christian faith.

In each film the presenter addresses a subject t