SINCE TESTING its first nuclear bomb 56 years ago, China has never revealed even a ballpark figure for the size of its arsenal. So recent debate on Chinese social media about the number of warheads the country ought to amass has been striking for its specificity. It began on May 8th with a suggestion by the editor of a nationalist tabloid in Beijing that China should expand its stockpile to 1,000 nuclear weapons. These, he said, should include 100 DF-41S, a new kind of intercontinental missile capable of hitting anywhere in America. Thousands of commentators have cheered him on. A few have called for more restraint.
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