Brussels, 14/11/2011 (Agence Europe) - EU Internal Market Commissioner Barnier will be suggesting on Tuesday 15 November that the European Securities and Markets Authority (ESMA) should be allowed to ban the credit rating of sovereign debt in exceptional circumstances - when there is an immediate danger to financial stability, excessive volatility has led to changes in a country's credit rating and there are imminent changes to a country's budget situation due, for example, to negotiations...