track for the past number of years where they have been testing greater missiles with greater sophistication and this is their sixth nuclear test and each test has gotten larger and larger, whether it was a hydrogen bomb, it was a massive explosion here yesterday that really rocked the entire region. and literally and figuratively. so the south koreans have responded with military exercises, mock bombing runs, where they simulated attacking north korea's nuclear testing site yesterday. they did a similar test a couple of days ago. a similar military exercise a couple of days ago. so these things happened, but the north koreans keep pushing forward. and, you're right, there are indications they may conduct another missile launch this weekend, september 9th is founder's day in north korea, a day when they celebrate the founding of their country, and when they elect to do big things that get attention like launch missiles and conduct nuclear tests. the question is, what can be