HYONHEE SHIN SOUTH Koreans disillusioned with President Moon Jae-in's ruling Democratic Party had a single word to sum up their disgust with political leaders they perceive as hypocritical and inept. "Naeronambul" translates to "If I do it, it's a romance. If you do it, it's adultery." The taunt began ringing in Democrats' ears last year, and they heard it a lot while campaigning for mayoral elections in Seoul and Busan this week, contests they lost by embarrassing margins. Limited to one term in office, Moon enters his last year with a majority in parliament, but his government has made damaging…