It's admirable and entirely understandable that they should want to move to a policy grounded in direct empirical evaluations. Beats the hell out of the curren

It's admirable and entirely understandable that they should want to move to a policy grounded in direct empirical evaluations. Beats the hell out of the current situation, and I bet if it was your responsibility you would do the same. Some risks (hundreds of lives, hundreds of millions of dollars) are bound to trigger excessive caution.