ru %D0%92%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%97%D0%B0%D0%BF%D1%80%D0%BE%D1%81%D1%8B %D0%BA %D0%B0%D0%B4%D0%BC%D0%B8%D0%BD%D0%B8%D1%81%D1%82%D1%80%D0%B0%D1%82%D0%BE%D1%80%D0%B0%D0%BC %D0%90%D1%80%D1%85%D0%B8%D0%B2 2020 %D0%A1%D0%BB%D1%83%D0%B6%D0%B5%D0%B1%D0%BD%D0%B0%D1%8F:%D0%92%D0%BA%D0%BB%D0%B0%D0%B4 Well-Informed Optimist