Charles Schulz’s humble “Peanuts” comic strip began in 1950. It grew in popularity in that decade and virtually exploded as a pop sensation in the 1960s — spawning books, Broadway musicals, full-length animated motion pictures and a series of classic TV specials. Charlie Brown was the star, but Snoopy was the conscious — not only of the “Peanuts” crew, but of our nation going through profound changes in the 1960s and ’70s. Snoopy had imagination, clever wit and a cute button nose. “Curse you, Red Baron!” became a catchphrase for all of us oppressed by authority.