There are two cinematic “journeys” well worth taking this week. They each offer a window into history, art, drama and life itself, albeit within very different contexts. The enthralling My Journey Through French Cinema is 76-year old writer/director Bertrand Tavernier’s love-letter to Gallic movies and filmmakers, with a special emphasis on the 1930s and 40s. These were the films that both formed and transformed Tavernier, not only as a filmmaker but, equally importantly, as a human being. Born in Lyon in 1941, Tavernier was a…