How do issues from the Enlightment to postmodernity impact our understanding of the concept of "the authority of Scripture"?

How do issues from the Enlightment to postmodernity impact our understanding of the concept of “the authority of Scripture”? In your own words, what is N.T. Wright’s critique of the literal/non-literal polarization that comes out in debates about the meaning and historical realities of Scripture? How does such a polarization work against a deep and significant engagement with the message of the Bible for today? Or does it?