In 1942, President Franklin D. Roosevelt asked radio listeners to go and purchase maps so they could follow along as he narrated the progress of World War II. Maps quickly sold out across the country. In 2006, fewer than sixty-five years later, a national study found that nearly half of Americans between the ages of eighteen and twenty-four—that is, those most likely to have to fight in a war—did not think it was necessary to know the location of other countries in which important news was being made.22 A decade later, during the 2016 election, Donald Trump raised cheers when he summed up his
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