Julia Roberts on the red carpet at the Oscars. Lady Gaga singing "Applause" to worshipful fans at one of her sold-out concerts. And you and me in our Sunday best in the front row at church. What do we have in common? Chances are, says Rebecca Konyndyk DeYoung, that we all suffer from vainglory -- a keen desire for attention and approval. Although contemporary culture has largely forgotten about vainglory, it was on the original list of seven...