Billionaires, banned substances and a Vegas-style spectacle collide as the Enhanced Games prepare to launch amid global fascination and fierce backlash.

The Enhanced Games, which first takes place on Sunday in Las Vegas, ‘goes against everything Wada stands for’

Doping in sports is nothing new. Athletes at the Enhanced Games will know the risks — severe injury, even paralysis. But bioethicists are also concerned we're opening the gates to…