A Hydro-Québec employee accused of sending trade secrets to China has been charged with espionage. The employee, Yuesheng Wang, 35, of Candiac, Que., was arrested following an RCMP investigation. Wang is scheduled to appear at the Longueuil courthouse on Monday to face four charges under the Security of Information Act and the Criminal Code, the RCMP said in a news release. He is accused of obtaining trade secrets, unauthorized use of a computer, fraud for obtaining trade secrets and breach of trust by a public officer. The RCMP investigation, conducted by the agency's Integrated National Security Enforcement Team (INSET), began…