NAIROBI (Reuters) - Kenyan elders may impose a fine on U.S. presidential hopeful Hillary Clinton, payable in livestock, after a photo of her rival Barack Obama in robes dragged their people into the race for the White House. The picture, which appeared on a U.S. Web site, showed the Illinois senator in a white headdress and traditional Somali attire during a 2006 visit to Wajir in Kenya's remote northeast. Obama has battled a whispering campaign by fringe elements who wrongly say he is Muslim and his aides accused Clinton's campaign of "the most shameful, offensive fear-mongering" after the photograph was...