Once-a-year ARV made by Kenyan to be tried in humans; Azimio misuses Martha Karua for mileage, says UDA’s Kihara; Eyes on Senate as House debates Sh10tn debt ceiling; No manual register at polling stations, says IEBC chairman; Sakaja’s flip-flopping leaves academic credentials in doubt; 4.1m hungry Kenyans need relief food as rains disappoint