Government is on hold as a presidential race reliant on personalities and corralling regional blocs takes centre stage, Big challenges to President Uhuru Kenyatta s government are looming this year on the economic management front and on regional security. But barring a phenomenal new crisis, the political scene will be consumed by the presidential elections due in August which pit erstwhile opposition leader turned establishment man, Raila Odinga of the Orange Democratic Movement (ODM) and Deputy President William Ruto of the United Democratic Alliance (UDA).