There’s the pop of a tape recorder button and the hum of a cassette, then an unmistakable voice. It is, without a doubt, Gladys Knight, the “Empress of Soul,” talking about … football? She’ll get to Motown gossip and her upcoming tour dates, but first the singer who first made “Midnight Train to Georgia” and “I Heard It Through the Grapevine” famous has some thoughts on the 1982 NFL season. “I like Tampa Bay. I like the Eagles … I like the Falcons …” Larry Katz, the young Boston Herald…
