JOHANNESBURG (Reuters) – South Africa’s ruling ANC threatened to take legal action against a Johannesburg gallery for displaying art which lampoons President Jacob Zuma and accuses the party of corruption. The African National Congress wants the Goodman Gallery to remove a painting of Zuma called “The Spear”, which depicts the president with his genitals exposed, and another work that has a “For Sale” sign superimposed over the party logo. The picture of Zuma is a facsimile of a famous poster of communist revolutionary Vladimir Lenin. …