Paul Duke, whose storytelling skills and journalistic evenhandedness set the tone for the venerable public television show "Washington Week in Review," has died of leukemia, his former employer WETA-TV said Tuesday. He was 78. Duke died Monday at his home. He was already a political news veteran — having worked for The Associated Press, The Wall Street Journal and NBC — in 1974 when he began his two-decade stint as the show's moderator. Now called "Washington Week," the Friday night program featuring journalists discussing the week's news is the Public Broadcasting Service's longest running news program. In a recent essay...