Analysis: Zambian leadership crisis is Sata's defining legacy

As Zambia heads for special elections in January, no clear favourites are emerging to succeed Michael Sata as president. This is largely the late president’s fault: by failing to plan for a successor, he left his party vulnerable to the messy infighting which is tearing it apart. Fortunately for the contenders – but not particularly encouraging for the country – the other parties aren’t faring much better. By SIMON ALLISON.