The geneticist called it a one-in-three-billion chance.
Just one. Out of three billion. Take a plane to Asia--absolutely anywhere in Asia--and randomly point to the first person you see. Is it Kim Jong-un, the fade-hairdoed leader of North Korea? Yes? Well, you've just beaten the odds we're talking about here.
But that's all the likelihood it took for Robert Stone--the only never-in-a-million-years, statistical screw-you that Robert's body needed to land him in a wheelchair and cause legions of medical know-it-alls to scratch their heads in wonder for thirteen long and painful years.