North Korea has survived until now not because they recently got nukes, but because they are holding South Korea hostage. The moment foreign troops near Pyongya

North Korea has survived until now not because they recently got nukes, but because they are holding South Korea hostage. The moment foreign troops near Pyongyang, conventional NK artillery would have leveled Seoul completely. Millions of rich-country people in a nation allied to the US would die. Also China would have been pissed.