ÔÇ£In their new book, ÔÇÿAmerican Grace,ÔÇÖ Robert D. Putman and David E. Campbell make two assertions about the decline of religious affiliation in the United States, which they summarize in their Oct. 17 Times Op-Ed article, ÔÇ£Walking away from the church.ÔÇØ They correctly observe that Americans, especially the youngest generations, are rapidly losing a lot of their faithÔǪÔÇØ