Zeinab Badawi talks to three cultural icons who are all involved in schemes for the betterment of Africa: Ghanaian-Briton pioneering fashion designer Ozwald Boateng, Senegalese-American R'n'B and hip-hop superstar Akon and African-American musician and actor Yasiin Bey, formerly known as Mos Def. Why is Africa a cultural super power and can the stars of the African diaspora make a difference to the lives of people in the continent of their roots? Show less