One of the best-known mining executives in the world, Ross Beaty chats with anchor Bridgitte Anderson about the upside and downside of silver, the advantages of running an alternative energy company (guaranteed fixed revenue streams for 20+ years) and talks about his run-in with pop star Bjork over Alterra Power Corp's operations in Iceland.Interview shot at Cambridge House International's Vancouver Resource Investment Conference 2012 (http://cambridgehouse.com/) in association with Financial Post (http://www.financialpost.com).