Swiss and Belgian companies are renowned for their chocolates. But shouldn’t the country that produces some of the best cocoa beans also make the best chocolate? With that thesis in mind, Steve Wallace set out to create a gourmet chocolate company in Ghana, where he spent part of his youth. Wallace, CEO of Omanhene Cocoa Bean Company, shares the ups and downs of his entrepreneurship journey in his new book, Obroni and the Chocolate Factory: An Unlikely Story of Globalization and Ghana’s First Gourmet Chocolate Bar. (Ghanaians use the term Obroni to refer to a white person.) He recently joined the Knowledge at Wharton show, which airs on SiriusXM channel 111 , to share what he has learned. An edited version of that conversation appears below. Knowledge at Wharton: How did a young man from Milwaukee, Wis., end up starting a company in Ghana? Steve Wallace: In high school in 1978, I had been selected for a foreign exchange scholarship on a program called AFS, and I was sent to the town of Sunyani, Ghana.…