USN campaigns ahead of Djibouti election After 17 years under his rule, few doubt Djibouti's President Ismail Omar Guelleh will fail to win a fourth term in polls on Friday, with a divided opposition already calling the vote a sham. IMAGES AND SOUNDBITES of campaigning for Omar Elmi Khaireh, claiming to represent the fractured opposition coalition, the Union for National Salvation (USN)