For decades, American presidents have said that North Korea cannot have nuclear weapons. And for decades, North Korea has continued adding more to its arsenal. 

Estimates of North Korea’s capabilities vary: Informed estimates vary from as few as 10 to as many as 116. Truly fearsome are estimates of what might come. The Rand Corporation and Asan Institute recently warned that by 2027 North Korea could have close to 250 nuclear weapons and “several dozen intercontinental ballistic missiles (ICBMs) and hundreds of theater missiles for delivering the nuclear weapons.” 

Such an arsenal would match that of the United