Nigeria's Chinua Achebe and his legacy and critique of Nigeria's government

http://www.nytimes.com/2013/03/26/opinion/africas-voice-nigerias-conscience.html?nl=opinion&emc=edit_ty_20130326&_r=0

Read the reflection above on what Chinua Achebe meant to Nigeria, how he spoke to the national question of Nigeria and his critique of Nigeria's government.  What other voices might emerge from Nigeria in his absence?  Who will speak