VANCOUVER (CP) -- A private American company hopes to revolutionize birth control by launching the world's first implantable male contraceptive. Dr. Neil Pollock, co-founder of Shepherd Medical Company, told a news conference Monday that the Intra Vas Device, or IVD, is less invasive than a vasectomy but just as effective. "We feel that we have the potential to make a huge impact on the future of contraception in the world," said Pollock, co-founder of the company, as he showed off the 2.5-centimetre hollow silicone plug. Men have limited options when it comes to contraception and the IVD would shift the...