Networks have used multiple anchors before , including , most famously , '' The Huntley-Brinkley Report '' on NBC in the late 1950 's and 60 's , ABC 's three-anchor '' World News Tonight '' starting in the 1970 's -LRB- after a brief experiment with Harry Reasoner and Barbara Walters as co-anchors -RRB- , and CBS 's own failed attempt with Mr. Rather and Connie Chung in the mid-1990 's .