Will there be free will in a brave new bioengineered world?

It may be difficult to believe when you think of Donald Trump, but the age of super-humans is almost upon us. Some people are confident that over the next century genetic engineering, electronic implants, new drugs and the medical defeat of ageing will give rise to a race of beings with capabilities far beyond our own. And what will they do with them? What will clichéd fears about ‘playing God’ mean to our descendants who, by comparison with us, will effectively be gods?