considering, in addition to other options, stopping all trade with any country doing business with north korea. now he may well, will, just have written china there, right? that is who this is clearly directed at, because china is responsible for 90% of the trade that korea does. treasury secretary mnuchin said he's preparing these sanctions right now. >> i've been speaking to analysts, poppy, who thinks this undermines united states' credibility, because there are hundreds of billions of dollars in trade between the two countries every single year when you factor in goods and services. the relationship is enormous. and, first of all, it's essentially impossible to just all out stop trading with china. this is such an intricate, economic relationship. they would be disastrous for china and the united states and u.s. consumers. you have china responding,