The silencing of traditional and grassroots' voices by those in power includes tribal leaders and councils who have silenced the voices of spiritual leaders and other people in their communities. Those in power continue censoring these voices in the tribally-owned news media; by court actions; local political oppression and access to tribal services.
Her view on what stories are newsworthy is probably different from mine. For instance, regardless of what you think of Leonard Peltier, was there some breakthrough in his case that went unreported? Not that I know of.