Nearly two years after brokering a power-sharing deal between Kenya's rival politicians, Kofi Annan, the former UN chief, is back in Kenya on unfinished business. He is pressing for reforms promised as part of that agreement. <br /><br />Without them, many fear a return to the wave of tribal violence that killed one and a half thousand people in the wake of the 2007 election.<br />Mohammed Adow reports from the Kenyan capital, Nairobi.
