> Another corollary: it really pays to be a tolerant, stable and welcoming country. Yup. The US has a pretty incredible history of brain draining European coun

> Another corollary: it really pays to be a tolerant, stable and welcoming country. Yup. The US has a pretty incredible history of brain draining European countries when they become intolerant or living there became otherwise intolerable. So many inventors in the states were brilliant immigrants.