VANCOUVER, BRITISH COLUMBIA–(Marketwire – May 16, 2011) – Western Copper Corporation (“Western Copper” or the “Company”) (TSX:WRN)(NYSE Amex:WRN) is pleased to announce it has filed a technical report as required under National Instrument 43-101 that summarizes the pre-feasibility study prepared by M3 Engineering on the Casino gold-copper-molybdenum deposit located in…