(CNSNews.com) – The Unites States should phase-out all denominations of the U.S. dollar larger than a $10 bill to thwart money launderers and tax evaders, Harvard economist Kenneth Rogoff told attendees at a Council on Foreign Relations event this week in Washington, D.C.“Cash is not used in ordinary retail transactions. It’s used by tax evaders and in a lot of crime of all types, including drug trafficking, human trafficking, extortion, racketeering, you name it,†said Rogoff, a member of the economic advisory panel of the Federal Reserve Bank of New York and author of The Curse of Cash.“Cash is being used...