Why has Uganda's President promoted his son to head the military?

Uganda's President 79 year old Yoweri Museveni, has promoted his son Gen Muhoozi Kainerugaba to head the military. His promotion comes amid a major cabinet reshuffle in which five ministers were sacked. Mr Museveni has denied speculation that he is grooming him as his successor. What do Ugandans make of it? Also an analysis of the recently approved Rwandan bill that, Rwanda says, will ensure the safety of asylum seekers from the UKAnd why the opinion about the police across the continent is very low!