Complex sentence: A 2008 U.S. diplomatic cable released by WikiLeaks described Kim as a "reasonable progressive lawmaker" representing a "centrist platform", and as a member of the Supreme Council of the Democratic United Party in 2012 he defended centrist members of the party from deselection.
Split into simpler sentences: A 2008 U.S. diplomatic cable released by WikiLeaks described Kim as a "reasonable progressive lawmaker" representing a "centrist platform". As a member of the Supreme Council of the Democratic United Party in 2012 he defended centrist members of the party from deselection.