Canadian security officials say they have spotted a foreign repression operation targeting a federal Conservative candidate opposed to Chinese government policies. The operation features a mock "wanted" poster and disparaging headlines and comments about Joe Tay, the Conservative candidate for the suburban Toronto riding of Don Valley North. Tay is known for his opposition to Chinese government policies. Last last year, Hong Kong police issued arrest warrants for six activists based overseas — including Tay — with bounties set at about $185,000 for information leading to their arrests. Federal officials told a media briefing Monday the operation is taking place…