having been a politician in the past. when it comes to ukraine and russia. they have to hit the ground running. let's look at the two leading candidates. >> one of these men will likely be the next president of south korea. human rights lawyer turned governor. on the liberal side. former state prosecutor and political novice on the conservative side. they have to deal with the north korea that appears more concerned with testing weapons than talking. neither candidate has foreign policy experience. the engagement current president has sought with minimal success. >> we need dialogue as well as sanctions. we need incentive as well as disincentive. the most important thing is secure trust. >> he believes sanctions should be eased only after denuclearization is complete. hinting at a preemptive strike