HAVANA, Cuba (AFP) — Cuba's communist model needs "urgent changes" to overcome a major crisis which cannot be solely blamed on a crippling United States (US) oil blockade, President Miguel Diaz-Canel said in his frankest admission yet of the need for radical reforms. "The situation calls for urgent and necessary changes," Diaz-Canel told the Communist Party party's politburo in remarks broadcast on Thursday, Diaz-Canel was speaking at a meeting called to...