Sources and acknowledgments

The authors would like to give special thanks to the following for their help and insights: Bright Ackwerh, Manasseh Azure, Daryl Basu, Emmanuel Gyimah-Boadi, Deborah Brautigam, Joshua Eisenman, Zitto Kabwe, Isaac Kardon, Andrea Kifyasi, David Luke, Dani Madrid-Morales, Omar Mjenga, W Gyude Moore, Scott Morris, Géraud Neema, Eric Olander, Khalifa Said, George Sarpong, Muhidin Shangwe, Bright Simons, Ricardo Soares de Oliveira, Zainab Usman, Cobus van Staden, Yinxuan Wang