Southside artist on a year-long project to create a documentary film about Powderhorn By Sascha Matuszak A young woman I bumped into at the Art Fair in Powderhorn Park this past summer, a friend of mine from Punk Rock Kickball, confessed to me that “half the lake here is filled with my tears.” I had been shooting footage of the Powderhorn Art Fair   for a documentary film I’m making about the park, and as we swapped stories about Powderhorn, she let that line fly. She delivered it with a...