Ashley Greene

As an early-and-often chronicler of Chicago-on-the-Potomac, I am amazed at the stubborn and clingy persistence of President Barack Obama's snowblowers in the media. See no scandal, hear no scandal, speak no scandal.

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.