On this edition of Africa 54: UN aid chief Martin Griffiths said he believes famine has taken hold in Ethiopia's Tigray region, where a nearly three-month long "de-facto blockade" has restricted aid deliveries to only 10% of what is needed; An independent commission has found that 21 out of 83 alleged perpetrators of sexual abuse in DRC were employed by the World Health Organization; & an initiative to help brilliant Kenyans achieve their dream of studying in the USA regardless of their financial background.