By Daniel Wiessner (Reuters) -Starbucks Corp was sued on Monday by eight employees at a unionized South Carolina store who said the company falsely accused them of criminal conduct after they demanded a raise from their manager. The workers filed a lawsuit in South Carolina state court against Starbucks and the manager at the store in Anderson, a few miles from Clemson University. They claimed the manager urged police to charge them with assault and kidnapping after the workers pressed her for a raise in August. The store’s employees had voted 18-0 to unionize in June. At least 240 other Starb…