Tributes to Kenyan ex-President Mwai Kibaki

The former Kenyan President Mwai Kibaki, who ended four decades of one-party rule, has died at the age of 90. Those who knew him pay tribute and reflect on his legacy. Plus Google’s super powerful undersea internet cable has reached Lagos. And today is #Earth Day. The theme is ‘Invest in our Planet’ and a climate change activist in Uganda tells us what that means to him.