On Friday, June 19, “Why Is We Americans?” celebrated its premiere at Lighthouse International Film Festival, in Beach Haven. The serendipitous screening happened on Juneteenth, the national holiday acknowledging the emancipation of last remaining African American slaves in America.

“Juneteenth is not a day for us to celebrate, but a day for us to acknowledge that change can actually happen, and that we have to be fighting consistently for that change,” said Kweku Mandela, grandson of the late…