By Bheki MngomezuluThe unexpected announcement by EFF vice-president Floyd Shivambu, that he would not be renewing his party membership and was resigning from Parliament and all EFF positions with immediate effect, sent shock waves that reverberated across the country and beyond. No one saw this coming, not even political punters.The historic announcement has led to much speculation on why Shivambu took such a decision. Some cited what they referred to as a fallout between him and party leader Julius Malema. Others said Shivambu was being suffocated by what they termed Malema’s…