World needs to end risky reliance on U.S. dollar - BoE's Carney

Bank of England Governor Mark Carney took aim at the U.S. dollar's "destabilising" role in the world economy on Friday and said central banks might need to join together to create their own replacement reserve currency.The dollar's dominance of the global financial system increased the risks of a liquidity trap of ultra-low interest rates and weak growth, Carney told central bankers from around the world gathered in Jackson Hole in the United States."While the world economy is being reordered, t