On today's episode of Deep Focus on WNHH Community Radio, host Tom Breen talks with filmmaker Eric Michael Schrader and Butte, Montana-based community radio host Dark Sevier about ZULU SUMMER, Schrader's new documentary about the unique cross-cultural exchange that takes place when three Zulu men from South Africa visit Butte for the summer with the sole purpose of learning about what makes Americans happy and unhappy.