President Miguel Díaz-Canel of Cuba addresses the United Nations General Assembly at U.N. headquarters in New York on Wednesday, Sept. 26, 2018. (Chang W. Lee/The New York Times) By LUIS FERRÉ-SADURNÍ and DAVID C. ADAMS President Miguel Díaz-Canel of Cuba called on Monday for an “urgent” transformation of the country’s economic model, according to Cuban state media, as Cuba confronts an oil blockade by the Trump administration that has deepened a humanitarian crisis on the island. Díaz-Canel…
