South Korean media, Chosun, report that a Swedish think tank speculates:

  • North Korea has produced about a dozen more nuclear weapons over the past year

Stockholm International Peace Research Institute

  • estimate NK had 20 to 30 nuclear warheads as of January 2019
  • an increase of about 10 over last year's estimate
South Korean media, Chosun, report that a Swedish think tank speculates:

Art of the deal.