Public protector Kholeka Gcaleka has accused Busisiwe Mkhwebane’s husband David Skosana of threatening the chapter 9 institution’s CEO Thandi Sibanyoni over the payment of Mkhwebane’s gratuity.Gcaleka told the justice portfolio committee that Skosana, an MK Party MP, made threatening calls and sent threatening messages to Sibanyoni. Among the text messages, Gcaleka claimed, was one from an unknown number to Sibanyoni threatening her sons if she did not pay Mkhwebane.Gcaleka was leading the Public Protector SA team as it appeared before the committee to account for the…