埃德·哈金斯（Ed Hudgins）和威廉·R·湯瑪斯（William R Thomas）關於21世紀突出挑戰的視頻博客，包括民族主義和宗教狂熱主義。
Edward Hudgins, former Director of Advocacy and Senior Scholar at The Atlas Society, is now President of the Human Achievement Alliance and can be reached at ehudgins@humanachievementalliance.org.
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