President Trump and Kim Jong Un have revived fears about weapons of mass destruction. But “tactical” nuclear weapons for use on the battlefield are still around, too. Is President Trump--like Barack Obama before him--relaying on a World War II technology ill-adapted to modern threats like cyber warfare? Also, Pulitzer Prize-winner Lawrence Wright on his new miniseries “The Looming Tower” about the FBI, CIA and September 11th.
Nuclear weapons in the 21st Century
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