Three weeks before Samsung Electronics' largest union plans to halt the world's biggest memory chip operation for 18 days, the dispute is quickly expanding beyond the company. Three factors have lined up against the strike at once. The Suwon District Court on Wednesday set its ruling on Samsung's injunction request for sometime between May 13 and 20, meaning the decision could arrive just one day before the walkout begins. Polling firm Realmeter released a survey showing 69.3 percent of South Ko