ANC secretary general Gwede Mantashe has warned against Cosatu becoming a “yellow federation” which is dominated by public sector unions. Read the full article by here: Articles relating to Places | johannesburg Submit and get free press releases here: MyPR Free Press Release. Click HERE to submit your Johannesburg news. MyJHB Read more on MyJHB. Join the … [Read more...] about Mantashe to Cosatu: Don’t become a yellow federation