Wim Wenders’ moving ‘Pope Francis: A Man of His Word’ lets its subject ask the tough questions

German director Wim Wenders has recently devoted himself to profiling artists — the late German dancer and choreographer Pina Bausch in “Pina” (2011), the Brazilian war photographer Sebastião Salgado in “The Salt of the Earth” (2014) — and celebrating their art under the grand spotlight of the…