In addition to psychopaths, 'Quantum Night' is also a novel about literally thoughtless people, without inner voices, thoughts in their heads.
Science fiction has never been about the future; it's always been about the present day whether it's Victorian England that Wells was writing about or the post-9/11 era that I'm writing about.
An agnostic is someone who believes the nature of the Divine is unknowable... and in that sense, I'm willing to subscribe to being an agnostic.
Social progress is a big thing for me. Although science fiction is traditionally concerned with the hard sciences, which is chemistry, physics, and, some might argue, biology, my father was and still is a social scientist at the University of Toronto.
A short story is one idea; a novel is a whole soup of them.
Many science-fiction writers, such as Gregory Benford, are working scientists. Many others, such as Joe Haldeman, have advanced degrees in science. Others, like me, have backgrounds in science and technology journalism.