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Russia

Red Alert: Russia Looms Large as a Security Threat

Reorienting the U.S. national security establishment to focusing on Russia after 25 years of focusing on other threats is easier said than done. And that has real implications in the event of a crisis

Nuclear Winter: A Retro Report

Carl Sagan was among a group of Cold War scientists who once feared that a nuclear war could plunge the world into a deadly ice age. Three decades later, does this theory still resonate?