The current crisis in British politics is significant for countries like South Africa where a change in electoral systems is needed.
South Africa's local governments lack a clear separation of legislative and executive powers.
Some prosecutions followed soon after President Cyril Ramaphosa promised accountability for the Marikana massacre.
The problem with South Africa's governing ANC, is that to many of its members, politics is not about public service but about resources.
Reports of profligacy by the leaders of the Pan African Parliament could further diminish its legitimacy, which is already being questioned .
The wars in Syria and Iraq are products of secretive decision-making by the executive. Their disastrous consequences are evidence of the need for war powers reform.
Mahlangu's resignation over the deaths of mental patients sets her apart from her colleagues in government. But, it does not portend a new trend in political accountability for the governing ANC.