A Hollywood veteran’s biopic about an anti-Nazi resistance martyr, which was nearly engulfed by the Trump-era culture wars during its US release, is on its way to Europe this month, with the director hoping its message against the extreme right lands this time. The movie Bonhoeffer is based on the true story of pastor and theologian Dietrich Bonhoeffer, who was executed at the Flossenbürg concentration camp on the orders of Adolf Hitler in April 1945, just weeks before the Nazi leader’s own suicide. The film has been on a tumultuous journey emblematic of the fraught political moment, with Christian nationalist...