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Republican presidential candidate Donald Trump at Des Moines Area Community College Newton Campus on November 19, 2015 in Newton, Iowa. (Scott Olson/Getty Images)

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A man watches a news report on North Korea's planned rocket launch at a railway station in Seoul on February 3, 2016. (JUNG YEON-JE/AFP/Getty Images)

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Nancy Reagan attending a 'Just Say No' rally with children at Kaiser Arena in Oakland, California, November 26, 1985. (White House Photographic Office/Released)

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British Prime Minister Winston Churchill, wearing his academic robes and making a speech regarding the Communist threat, March 1946. (George Skadding/The LIFE Picture Collection/Getty Images)

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Saudi Defence Minister Mohammed bin Salman (2nd L), who is the desert kingdom's deputy crown prince, at the 4th Summit of Arab States and South American countries in Riyadh, on November 11, 2015. (FAYEZ NURELDINE/AFP/Getty Images)

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Actor Tim Pigott-Smith during Broadway Opening Night of 'King Charles III' at the Music Box Theatre on November 1, 2015 in New York City. (Jemal Countess/Getty Images)