SOUTH Africa's governing African National Congress said it will look into the behaviour of its already suspended general secretary, Ace Magashule after he and two other party members aimed veiled insults at ANC leaders last week. Tony Yengeni, a member of the ANC national executive committee and veteran Carl Niehaus are also being probed. The trio could be hauled before the ANC’s disciplinary committee for behaviour described by the part as “unbecoming, divisive and defiant.” Magashule, the administrative head of the ANC, making him one country's most powerful politicians, was forced to step down from his post earlier in May…