NVIDIA's Matt Cragun on why self-driving has been perpetually 5 years away for the last 12 years and the long tail problem NVIDIA is finally solving: "Self-driving cars have been perpetually five years away for the last twelve years or however long it's been. The real challenge for everybody is how do you take care of what we call the long tail. The things you don't experience very often on the road but typically are the things you worry the most about." "The benefit of having a really large…