Friends and advisers say Harris has been deeply religious all her life, but religion recently has become a central part of her campaign. Campaign staffers warily describe Harris as leading a "Christian crusade."
"It was always part of the background, but it was never an integral part of the campaign. It never engulfed her," said former campaign manager Jim Dornan, who quit the campaign in November but keeps in touch with staffers. "She's grasping for a pillar she thinks this campaign can be raised on."
