“On Her Shoulders” (2018). Cast: Nadia Murad, Murad Ismael, Amal Clooney, Borys Wrzesnewskj, Michelle Rempel, Barack Obama, Ki-moon Ban, Simone Monasebian, Ahmed Khudida Burjus. Director: Alexandria Bombach. Screenplay/Translation: Hishyar Abid, Nawaf Ashur, Deniz Ekici, Yousif Haskan and Shahnaz Osso. Web site. Trailer. For those without a voice, it’s often difficult to be heard. In those cases, it generally takes someone with the courage and resilience to step up and make the case for them, not the easiest of undertakings. But, when an advocate with the right qualities emerges, incredible results are possible. So it is with an unlikely envoy for a little-known aggrieved people as seen in the stirring documentary, “On Her Shoulders,” available on DVD, Blu-ray Disc and video [...]