Miguel Díaz-Canel cites China and Vietnam as possible models for opening up the country’s economy Cuba’s economy needs “urgent changes” to overcome a major crisis intensified by a US oil blockade, president Miguel Díaz-Canel said in a speech to Communist party leaders. “The situation calls for urgent and necessary changes,” Díaz-Canel told the party’s politburo in his frankest admission yet of the need to overhaul the country’s communist model. In the remarks, broadcast on Thursday, he cited Chi