View Post CBS Affiliates | Mornings | ShopTalk Erin Barnett, Marco Villarreal Named Morning Co-Anchors at WVLT By Merrill Knox on Jul. 1, 2013 - 4:22 PM Erin Barnett and Marco Villarreal have been named morning co-anchors at WVLT, the CBS affiliate in Knoxville, Tenn. Barnett joins the station from WSLS in Roanoke, Va., where she was a general assignment reporter. Villarreal most ...