So the premise of 'The Submission' is that there's an anonymous competition to design a 9/11 memorial and it's won by an American Muslim, an architect born and raised in Virginia, and his name is Mohammad Khan.

I think in the wake of 9/11, like a lot of Americans, you know, we were all very traumatized by the attacks, traumatized in a totally different way by some of what happened afterward in response. And I think there have been these questions hovering in the past decade of, what kind of country are we? Who are we?

Imagination, it turns out, is a great deal like reporting in your own head. Here is a paradox of fiction-writing. You are crafting something from nothing, which means, in one sense, that none of it is true. Yet in the writing, and perhaps in the reading, some of a character's actions or lines are truer than others.

My children, who are almost two: watching them develop has made me pay much closer attention to how we become who we are.

In Germany, you have a huge official memorial to the murdered Jews and then you have this artist who's been putting these stumbling blocks, these brass cobblestones, outside the houses Jews were taken away from. It's somewhat controversial and has met some resistance.

I had been a reporter for 15 years when I set out to write my first novel. I knew how to research an article or profile a subject - skills that I assumed would be useless when it came to fiction. It was from my imagination that the characters in my story would emerge.

There were in life rarely, if ever, "right" decisions, never perfect ones, only the best to be made under the circumstances.