DURHAM, N.C. (WTVD) — Andrea Harris, co-founder of The Institute and a trailblazer for minority economic development on Durham's Black Wall Street, died Wednesday, according to long-time friend Lew Myers.Myers said Harris had been battling a "long illness" before she died at Duke Hospital.Harris and Myers co-founded The Institute, a nonprofit minority-economic-development office, in 1986.…