Vice president Kalonzo Musyoka (left), chats with COTU Secretary General Francis Atwoli as he leaves after his speech during the presidential debate in Nairobi, February 20, 2013. The Vice president represented Prime Minister Raila Odinga, who is the presidential candidate for Cord coalition. Presidential candidates Uhuru Kenyatta and Musalia Mudavadi failed to honour their invitation to the debate, organised by, the workers body, COTU.