S11 is the name of the radical group threatening to upset peaceful protests against the World Economic Forum (WEF) in Melbourne in September. Actually a coalition of many small anti-capitalist, radical environmentalist and leftist groups, S11 (so named for the day that the Forum opens, September 11) is threatening to put thousands of people onto the street to “close down the forum”. The Forum is being held at Crown Casino from 11 to 13 September. The blockade is scheduled to begin at 7.00 am…