The remnants of the Southern African Liberation Movements that once ruled the region are losing support

It is a familiar tale in Southern Africa: The revered liberation-movement-turned-ruling-party, led by struggle-heroes of decades past, is facing increasing criticism and challenges over enduring poverty, unemployment and alleged corruption. In Zimbabwe, the venerable ZANU-PF, hailed for fighting British rule more than three decades ago, is the target of unprecedented protests. Demonstrations are led by war…