The need to reduce reliance on burning carbon-emitting coal and natural gas for electricity is well recognized on this website. Environmental issues and candidate positions on them get a lot of attention. As to what alternative energy sources should be given the greatest immediate focus, it's safe to say that opinions here are rather divergent.
A lot of debate about nuclear energy addresses such issues as safety, waste storage, and proliferation. But a fundamental question that gets less attention, is whether nuclear plants can even be constructed fast enough. We need to address emissions urgently, both through reducing demand and meeting supply with cleaner alternatives to coal - alternatives that can make an impact within a few years. (In some European nations the electricity generated from wind rose from <1% to almost 10% in just the past few years.)
Recently I've noticed a growing amount of misrepresentation here about how quickly new nuclear reactors could come online in the United States. If you've read the comments here I've seen and gained from them the impression that you could, in say five-six years time, see new American nuclear plants in full commercial operation where there are empty fields right now, ... well, frankly, you've been had. A little mythbusting below the fold...
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