The ruling Democratic Party's (DP) push to put a constitutional change to a national vote in the upcoming local elections fell through Friday as the main opposition People Power Party (PPP) continued to boycott a parliamentary vote on the proposal. Shortly after Friday's plenary session opened, National Assembly Speaker Woo Won-shik announced that he will not put the amendment bill to a vote as the PPP warned it would launch a filibuster to block the proposal. "I convened the plenary session