
Nate Silver @NateSilver538
The "precautionary principle" is a dubious heuristic to begin with, but it's flat-out dumb if you think it ought to override cost-benefit analysis instead of being *part* of cost-benefit analysis. https://t.co/vYV7hTvIV8 https://t.co/8nnbVRpHVJ — PolitiTweet.org