A young pastor in a small Texas town has a mission: to help people experiencing homelessness. But he is faced with a harsh winter – and resistance by his congregation. This is the world of Down the Arm of God, starring Caleb Landry Jones (Three Billboards Outside Ebbing, Missouri; Dracula; X-Men: First Class) and directed by Peter Brunner (My Blind Heart, Luzifer), which world premieres at the 79th edition of the Locarno Film Festival on the Swiss fest’s Piazza Grande program on Aug. 11. The creative duo, which previously collaborated on To the Night, co-wrote the screenplay, inspired by true events, and developed it with people without…