VIRGINIA, Liberia — A former war refugee who returned to his native Liberia in 2005 to run a K-12 boarding school has been elected president of the Liberia Baptist Missionary and Educational Convention. Olu Menjay, principal of Ricks Institute, a school with 620 students located about 15 miles from Liberia’s capital Monrovia, was elected to a three-year term of office…