One of the spiritual leaders of Standing Rock is Doug Good Feather, the great-grand-nephew of Sitting Bull and a two-tour Iraq War veteran – he‘s headed back to Standing Rock this weekend with a group of 2,000 veterans to help protect and support protesters who‘ve spent months resisting the Dakota Access Pipeline. Good Feather is also the founder and executive director of the Lakota Way Healing Center in Denver, which helps people dealing with PTSD, addiction issues, homelessness and general trauma and depression through Native American ceremony.