Innovative filmmaking, strong reviews and a strategic ground campaign in theaters has helped a Documentary film about World War I win some box-office glory among big-budget blockbusters and Oscars contenders.
“They Shall Not Grow Old†was made with archival film footage, which director Peter Jackson (“The Lord of the Ringsâ€) restored, colorized and transformed with 3-D techniques. It hit theaters in stages, beginning in December with a series of one-night showings around North America, a release method more common for live…