Rieck Machar arrives in Juba

South Sudan rebel leader Riek Machar, is expected to arrive in the capital Juba today - more than two years after he signed a peace agreement with his principal political and military opponent Salva Kiir. Machar's long-awaited arrival will pave the way for the formation of a transitional government of national unity. In the new government, Machar will retain his Vice-President position while Kiir will remain President. James Shimanyula reports..