Growing chorus of African countries calls for pledges to a climate change fund at Copenhagen.
Yar'Adua in Saudi Arabia for medical treatment, critics call for his resignation.
New trend sees wealthy locals the targets of criminal gangs.
Nigeria hasn't seen its president for more than 50 days, leaving the country without effective leadership.
Crucial Niger Delta oil production threatened, Nigerians ask where is President Yar'Adua?
Disappointed with World Cup results, Nigeria focuses on the future.
Poverty behind upsurge in Boko Haram activity in northern Nigeria.
Young voters use social media to keep voting free from rigging and violence.
Lively new Lagos broadcaster promotes Nigeria's rough, witty "broken English."
