An imminent ban on electoral candidates accused of corruption in Nigeria has raised the political heat ahead of the April votes, with critics accusing President Olusegun Obasanjo of a hidden agenda. The nation’s anti-graft agency last week published a list of 135 indicted candidates, including vice president Atiku Abubakar, whom it said must appear before a government-sponsored panel of enquiry to defend charges of corruption levied at them. Full Story