It began with a late-night declaration of martial law and has ended, for now, with a gavel. In the 443 days between those two moments, South Korea’s democracy was tested in ways most countries never experience.Citizens formed human chains to block troops from reaching the National Assembly. Lawmakers rushed through corridors in the dead of night to kill the martial law decree by vote. The Constitutional Court upheld a president’s impeachment.Millions took to the streets in protest. A new...