Sometimes, authors of tell-all memoirs reveal even more than they realize. One such revelation comes on Page 347 of John Bolton’s Surrender Is Not an Option, published earlier this month. I doubt most reviewers noticed the line as they leafed through the book in search of the former U.S. ambassador to the United Nations’ famous putdowns. But for anyone who follows events in the Horn of Africa, it had all the impact of a small explosion. Bolton, whose contempt for the United Nations is only matched by his exasperation with the State Department, recounts the position Assistant Secretary of State for African Affairs Jendayi Frazer adopted in 2006 toward the ‘final and binding’ ruling an international commission had reached over the Eritrean-Ethiopian border, the cause of a war that claimed some 90,000 lives. ‘For reasons I never understood,’ writes Bolton, ‘Frazer reversed course, and asked in early February to reopen the 2002 [Eritrea-Ethiopia Boundary Commission] decision, which she had concluded was wrong, and award a major piece of disputed territory to Ethiopia. I was at a loss how to explain that to the Security Council, so I didn’t.’ Why should this interest anyone outside the United Nations? […]