Every day, thousands of airplanes zip across the sky leaving visible trails in their wake. Are these jet planes secretly leaving dangerous chemicals in the sky for military purposes? Michael Murphy, filmmaker of the documentary, “What in the World are They Spraying?,” shares his thoughts in this interview with Regina Meredith originally webcast on January 22, 2013.Michael Murphy is a journalist, filmmaker and political activist from the Los Angeles area whose work focuses on issues that go beyond the interest of the corporate mainstream media. Michael's work includes co-producing the documentary “What in the World are They Spraying?” and several other short films that address controversial political issues.Watch Michael Murphy’s Film: Why in the World are They Spraying?