Charles Osgood, the witty CBS News journalist who shepherded “CBS Sunday Morning” for more than two decades — a longer tenure than the show’s original host, Charles Kuralt — died Tuesday at 91 years of age after living for a period of time with dementia, according to CBS News.

He also hosted a durable radio-news segment, “The Osgood File,” between 1971 and 2017. The audio vignettes were heard four times each weekday morning on various stations across the U.S., and Osgood would sometimes analyze a news event, and, in other moments, provide rhyming commentary on the latest headlines. He would sometimes bid listeners...