<span style="color: #222222;">In South Sudan, rebel leader Riek Machar was sworn in as first vice president today. The rebel leader returns as first vice president in a transition government which will serve for 36 months.<br />''</span><br />''Four other vice presidents from the current regime and other opposition groups will also form part of a bloated government of 35 ministers, in addition to 550 lawmakers.<br />''<br />''<span style="color: #222222;">President Salva Kiir hailed the official ending of the war and said peace was now irreversible as the new unity government was formed after more than a year of delays.</span><br />