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Past leaders have imagined the United States as a “shining city upon a hill,” a melting pot, a “beacon to the world.” Donald Trump is working toward a different vision: the United States as a fortress.

Late Wednesday, the White House announced a new version of the travel bans that it had imposed during Trump’s first term, barring people from 12 countries—Afghanistan, Myanmar, Chad, the Republic of Congo, Equatorial Guinea, Eritrea, Haiti, Iran, Libya, Somalia, Sudan, and Yemen—from coming to the U.S., and restricting entry from seven others: Burundi, Cuba, Laos, Sierra Leone, Togo, Turkmenista

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