>> the main concern of americans or other foreigners doing business in south korea is the south korean government and its regulations or their south korean competitors or their south korean partners, not things the north koreans are doing. >> reporter: but marcus noland says it was not helpful for gm's chairman to state publicly his company is looking at contingency plans. he says that plays into the game of brinksmanship and puts more pressure on the south koreans to make concessions. when i ran that by a spokesman at gm, he said good companies plan for a variety of contingencies and to suggest anything more is an overreach. wolf? >> watching this very, very closely, obviously, in south korea they have a lot at stake. thanks, brian, excellent report. up next, the shady money bankrolling kim jong-un's threats. get this, there are american tourists on vacation in north korea. tion in china, impact wool exports from new zealand, textile production in spain,