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Seth MacFarlane @SethMacFarlane
Interesting https://t.co/zlNRgy1Zmt — PolitiTweet.org
Michael Shermer @michaelshermer
Why overpopulation ≠ the end of the world. The 12th billion person will never be born. Watch this amazing 6 min vid: https://t.co/BSA5qxiWPP