Are treason charges being weaponized in Africa?

Why is the treason charge being used against several key opposition figures in some African countries ?We meet Elsa Owusu-Sarpong - aka Bikergirl El’- the tireless road safety campaigner from Ghana. What's the sad tale behind her passion and inspiration?And Africa’s elderly population is set to increase – but how are they treated? Presenter: Audrey Brown Producers: Charles Gitonga in Nairobi with Mark Wilberforce, Sunita Nahar and Patricia Whitehorne in London. Senior Producer: Paul Bakibinga Technical Producer: Chris Ablakwa Editors: Andre Lombard, Maryam Abdalla and Alice Muthengi.