relations committee, senator, so let's turn to another subject right now, north korea. you praise the president's recent executive order targeting countries that do business with north korea. what's behind your optimism, though, especially given that years of similar sanctions and actions, at least so far over all of these years, haven't produced meaningful results? >> well, if you look at the last eight years, the previous administration plan or policy toward north korea was called strategic patience, that basically meant you let the kim jong-un, north korean regime do whatever they wanted without actually saying, huh-uh, that's enough, here's a red line you cannot cross. but what we have to do now is ratchet up the maximum pressure, economical economically through a station that hasn't been by the united states yet. in fact, if you look at work that's done, north korea is only fourth more sanctioned nation on earth. so we have a lot more diplomatic