Breitbart.com reports: “The Congressional Research Service (CRS) issued a report on Friday that found North Korea has produced enough fissile material — i.e. atomic bomb fuel — to build up to 90 nuclear warheads, a dramatic increase from the 20 to 60 warheads it was believed capable of building last year.

‘North Korea continues to advance its nuclear weapons and missile programs despite UN Security Council sanctions and high-level diplomatic efforts. The country’s ballistic missile testing, military parades, and policy statements suggest that North Korea is continuing to build a nuclear warfighting capability designed to evade regional ballistic missile defenses,’ CRS warned.

CRS worried that the longstanding strategy of deterrence, exercised through sanctions and U.S. military drills with South Korea, has not dissuaded Pyongyang from pumping out a remarkable amount of weapons-grade plutonium and enriched uranium…”