Al Jaffee on The Comics Code, Fold-Ins and continuing to work at age 94.5. And to clarify: MAD did not change from a 10-cent color comic book to a more expensive slick magazine to escape the Comics Code. It changed because its editor Harvey Kurtzman wanted to get out of comics and into slicks and its publisher, Bill Gaines, was afraid to do MAD without Kurtzman. So he changed the format and escaping the Comics Code became a happy, unintended result…