They like her. They really, really like her. A documentary of the story about Alexandria Ocasio-Cortez’s campaign to unseat a long-time incumbent won the annual audience award in the documentary category at the Sundance Film Festival. The political media’s darling has won over the Hollywood film industry, too. Rachel Lears wrote, produced and directed a documentary and financed it with a Kickstarter campaign. The documentary is titled “Knock Down the House†and the filmmaker really lucked out. She was in the right place at the right time. Choosing four women candidates running for elected office in 2018, Alexandria Ocasio-Cortez...