The long arm of the PC police has reached back to the ’30s and arrested, prosecuted, and sentenced the late singer Kate Smith. Smith, who popularized Irving Berlin’s song “God Bless America” and was a female pioneer in early television, recorded songs that today in hindsight are viewed as racist. An old friend, Harry Covert, writes to recall the early days of black-and-white TV when he (and I) watched Smith’s television program. Covert remembers one show interrupted by a news bulletin announcing the attempted assassination of Harry S. Truman by militant Puerto Rican activists. He notes that today’s Puerto Ricans...