Peter Jackson gives WWI footage new life in 'They Shall Not Grow Old'

Peter Jackson generated whole worlds for his ‘Lord of the Rings’ and ‘Hobbit’ trilogies. His latest project? A documentary that magically brings to life old footage shot on the front lines of World War One. The restoration of 100-year-old film was no easy feat. He tells us about his newest film, ‘They Shall Not Grow Old.’