Really? There are many festivals already being held in Nigeria. I will the professor to tally the balance sheet of all foreign exchange earned during these other festivals. Better still if he can present a study showing the net inflow of tourists into Nigeria during these festivals to buttress how successful the yam festivals would spin foreign exchange for Nigeria. I mean these people can have as many yam festivals as they want, that is a none issue.
At the rate of crime wave in Nigeria, the country is one of the least attractive destinations in world. Not to talk about the darkness.