[The Conversation Africa] Leo ni leo. Inawezekana (Today is the day. It is possible). These are the Kiswahili lyrics of Raila Odinga's presidential campaign anthem. The 77-year-old veteran Kenyan politician has not lost optimism even though he's contesting the election for the fifth time. He was in the race in 1997, 2007, 2013 and 2017.
