When it comes to a Christmastime movie, a perennial favorite of most everyone is It’s a Wonderful Life. Jimmy Stewart made no secret it was his favorite film and favorite role as George Bailey. The poignant slice of Americana is on the Vatican’s film list and No. 5 on the Register’s 100 best films list. No matter how many times we watch it, the story remains fresh and remarkably uplifting. And with strong spiritual implications whose foundations were laid before filming began. Before Stewart became George Bailey, his guardian angel surely watched over him during harrowing combat missions in World...