By Adam Taylor , The Washington Post Eritrean President Isaias Afwerki listens as he meets with Sudanese President Omar al-Bashir during his official visit in Khartoum, June 11, 2015. (REUTERS/Mohamed Nureldin Abdallah) On Monday, the United Nations released the results of a year-long investigation into human rights in Eritrea. What it found was horrific. Detailing “systematic, widespread and…