Dane S. sent this: Survivalist retreat yields big profits [1]
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Reader “T. Tuttle” recommended the book “On Combat, The Psychology and Physiology of Deadly Conflict in War and in Peace [2]
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Mr. B. sent this: Are we raising a generation of nincompoops? [3]
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Thanks to Richard H. for spotting this: MP3 Enabled Radio Launched for Developing World [4]