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Opinion essays from Loci editors and others, providing seed material for discussions with our readers.
To initiate or participate in discussions about one of our Commentaries, please follow the "discuss this article" link on the article's page. Commentaries mostly come from our Editors, or others by invitation. To suggest a topic for a commentary, please e-mail Jason Aubrey or Tom Leathrum -- see the Editorial Board page for e-mail links.