"If we have that worst day, and the tire is worn and you have a flat tire in the wrong place in traffic, next to a truck going 90 mph, could you get killed? Yes, you could. Is that a reasonable set of assumptions to plan your trip on? Probably not."
NASA Acknowledges risk
I dunno...there has always been risk in space flight, but to know exactly what the problem is and still go knowing it could be fixed in a few years?
