Al Stewart

When it comes to the health of our families, Barack refused to listen to all those folks who told him to leave health reform for another day, another president. He didn't care whether it was the easy thing to do politically - that's not how he was raised - he cared that it was the right thing to do.

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.