Why are Media Organizations reluctant to call Dylann Roof a terrorist?

http://www.alternet.org/media/why-are-media-organizations-so-reluctant-call-dylann-roof-terrorist?akid=13225.294211.OJwOQq&rd=1&src=newsletter1038053&t=13

Why Are Media Organizations So Reluctant to Call Dylann Roof a Terrorist?

Who gets labeled a terrorist is usually a product of race, theirs and white-dominated newsrooms.