That's it. Lid completely blown off any hope for US max pressure to yield anything remotely close to denuke. Inter-Korean normalization has taken on life of its own & momentum undeniable. Good for ROK, terrible for US. Alliance to be tested unlike ever before. Dark days ahead. https://t.co/1NJEHvaQ3K

— Derek J. Grossman (@DerekJGrossman) September 19, 2018