Jane Duncan - The country’s largest trade union federation, the Congress of South African Trade Unions (Cosatu), has expelled the National Union of Metalworkers’ of South Africa (Numsa), for not supporting the African National Congress (ANC). Anyone in South Africa who doesn’t know this news must have been living under a rock for the past week. Numsa has been exploring political alternatives for the past year. In its December 2013 congress, it decided to launch a United Front to...