on that point, dr. dyson, when there s such a touring leader of a movement towering leader of a movement such as nelson mandela, difficult to groom the next generation. martin luther king jr. ralph abernathy, with all due respect, an incredible man but not nearly as talented or capable. and people often are critical of charismatic authority and leadership. it s not that we want to oversell charisma as the basis for collective energies expressed by movements, but there s something to be said for a galvanizing figure in a way that enemies can hear it and allies can hear it. and now following nelson mandela s decline and death, it s extraordinarily important to figure out the next person. and they keep using jojoshua