Miranda July in Portland, Ore., in 1995, the year she began her feminist video series Joanie 4 Jackie (then called Big Miss Moviola).Credit...Heide Foley A devotion to women and their complexities is at the heart of all of the creative endeavors undertaken by Miranda July, the artist, writer, filmmaker — and radically motivated movie mogul. The latter gig, begun in 1995, was inspired by the Riot G