Ten years ago Wednesday, union leader Chea Vichea walked to his favorite newsstand in front of Wat Lanka to read the day’s headlines: Prime Minister Hun Sen had ordered spending cuts, health officials were trying to handle the first outbreak of bird flu in Southeast Asia and celebrations for Chinese New Year were underway. A day later, Chea Vichea had become the day’s headline: “Union Chief Chea Vichea Gunned Down.”