ANDY IS IN THE AIR we breathe. Among the most revolutionary artists who ever lived, Warhol, in his work from the magical years of 1962 to 1964—Coca-Cola bottles, Campbell’s soup cans, Brillo boxes, Marilyn, Jackie, Brando, Elvis, electric chairs, the Empire State Building, flowers, and superstars—gives us an artist in a state of creative grace, feeding on, mirroring, doubling, and actually changing the culture he pictured. Willem de Kooning famously called him “a killer of beauty”; I think he invented a new beauty. By the time he died, at 58, Warhol was world famous—endorsing brands, starring as himself on TV—but was still shunned in the art world. He was thought of as overexposed and over-the-hill, someone Robert Hughes disdained as “abnormal,” “homosexual,” and “malevolent” in one sentence. As Warhol said,…