“NBC Nightly News” is the highest-rated daily news show in the morning or evening. In mid-August, this show had been ranked number one for 100 straight weeks, pulling an average of 7.7 million viewers. This makes Brian Williams the king of the TV-news hill. To be sure, it’s obviously a smaller hill than the Walter Cronkite era, but in political terms, Williams, like Cronkite, is E.F. Hutton. His newscast can set the tone across the rest of the