LOS ANGELES -- A 30-year-old man who appeared nude at 4 months old in 1991 on the cover of Nirvana’s “Nevermind” album is suing the band and others, alleging the image is child pornography they have profited from.The suit, filed by Spencer Elden on Tuesday in federal court in California, alleges that Nirvana and the record labels behind “Nevermind” “intentionally commercially marketed Spencer’s child pornography and leveraged the shocking nature of his image to promote themselves and their music