JESSICA KRITZ, Assistant Professor--Research Track, Georgetown University WHEN I first heard about the community of Old Fadama in Accra, Ghana, I recognised something. A Ghanaian Catholic sister who visited the green market weekly in that neighbourhood told me about it. She worried about a community of vulnerable migrant women known as “head porters” or kayayei, who earned a pittance transporting heavy items balanced on their heads. Old Fadama reminded me of Appalachia, the part of the US where I grew up in the late 1970s. Nearly everyone in my county lived below the poverty line. We learned to work together…