Mr Déby, 68, a career military officer who seized power in 1990 in a coup, was promoted to the rank of Field Marshal last August . He was re-elected for a six-year term with 79.32% of the votes cast , according to provisional results announced … by the national electoral body. Ministers and senior officers said … that the head of state had visited the frontline between his army and a column of rebels who had launched an offensive from rear bases in Libya on Election Day, April 11. May 20...