Nostalgia’s good and bad usually exist simultaneously — the bittersweet pain of homecoming. If we are feeling down because of the past, then we need to live more in the moment. However, if we experience joy and happiness from our memories, then we should continue to let it give us hope and meaning.

Aptly released on Veterans Day this year, “The Liberator” is a visually unique tale of the courage and heroism of U.S. Lt. Col. Felix Sparks and the 157th Infantry Regiment during World War II. The...