Gold is near $4,600 after its strongest month in decades, and investors around the world are selling into the rally. Jeffrey Christian of CPM Group says the coin sellers are late and the ETF buyers are on time. In this Kitco News interview, Christian explains how much of the world's gold is genuinely available at today's price, why dealers and refiners are quoting discounts on bars and medallions, what bank credit lines have to do with it, whether central bank gold buying is as strong as the...