(RNS) — Andy Warhol’s pop-art masterpieces — paintings of Campbell’s soup cans and Brillo boxes and saturated Marilyn Monroe screenprints — deftly thrash American consumerism and celebrity culture with a cynicism carefully disguised as tongue-in-cheek. He was careful to keep his distance as a witty, shameless auteur.  The first-ever exhibition to focus on the legendary artist’s Catholic faith at the Brooklyn Museum, “Andy Warhol: Revelation,” sits in stark contrast, almost as if displaying an entirely different artist. Warhol is still plenty tongue-in-cheek: The exhibition opens with “Raphael Madonna — $6.99,” a floor-to-ceiling painting of Madonna and child overshadowed by a bright red price tag. Warhol, the former graphic artist, sketched…