The future of nuclear power may be small. Or maybe it won't be, if NextEra Energy's CEO is right.NuScale Power (SMR 13.01%) is an upstart looking to be at the forefront of what could be a massive overhaul of the nuclear power industry. That's the hope, anyway. However, at least one notable utility industry veteran doesn't think NuScale Power's approach to nuclear energy will work out as well as investors seem to hope right now, given the stock's rapid ascent of late (the stock is up 400% in a year!). Here's ...