Did 9/11 make us morally "better"?

“9/11 plunged us into a moral struggle for our soul as a people,” says Professor Miroslav Volf, director of the Yale Center for Faith and Culture, in an essay in the Huffington Post.

In the piece, titled “Did 9/11 make us morally better?” Volf assesses the “debit” and “credit” sides of our “moral account”: http://www.huffingtonpost.com/miroslav-volf/christianity-911_b_944153.html