I think it's equally wrong to compare this whole thing to solar panels and whatnot. That said, in general, 9 out of 10 things that are very promising will ulti

I think it's equally wrong to compare this whole thing to solar panels and whatnot. That said, in general, 9 out of 10 things that are very promising will ultimately fail, and there's nothing wrong with discussing or following all 10, the 1 will work, and it'll be great.