nairobi kenya main opposition leader say thursday anger last month presidential election run deep threaten tear country apart raila odinga boycott oct. 25 election say would unfair leave president uhuru kenyatta win 98 percent vote supreme court call poll annul first presidential election hold august procedural ground mainstream kenyans feel deeply cheat openly toy idea secession odinga tell audience washington d.c. speech center strategic international study think-tank broadcast live kenyan television big problem kenya right exclusion ... unless problems address tear country apart say things stand anger radicalization grow day small number politicians odinga opposition alliance discuss idea strongholds secede kenya idea gain wide popularity odinga supporter base concentrate along kenya coast city slum western strongholds areas traditionally felt exclude political power opportunities patronage offer odinga supporters currently boycott three company say back government opposition call protest friday speech odinga note kenya four presidents since independence come kikuyu kalenjin communities even though country 44 recognize ethnic group kenyatta kikuyu deputy make clear intention run next election kalenjin early week odinga tell reuters want caretaker government six months preparations make new elections government officials reject idea say odinga chance compete october supreme court due start hear petition legality october elections next week political exclusion risk tear kenya apart say opposition leader