'Nightly News' ratings dip as NBC mulls next step

On Friday, preliminary ratings for Nightly NewsWith Brian Williams were down 36% in the coveted 25-to-54 demographic compared with the previous week's average as controversy swirled around the anchor. World News Tonightwith David Muir beat Nightly News in total viewers and the younger demographic: 8,461,000 viewers, vs. 7,979,000 viewers; 2,008,000 vs. 1,701,000 demographic viewers.

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