President Buhari who received Carlos Trejo Sosa, outgoing Cuban ambassador to Nigeria at the presidential villa in Abuja on Thursday November 28, stated that oil earnings is not enough to take care of the country’s needs.   In the statement released by Femi Adesina, President Buhari also expressed hope of a stronger relationship with Cuba especially in the area of health care and transfer of knowledge.   “We have deficit in infrastructure, in education, health care, and many other areas, but …