Should Biden invite Cuba, Nicaragua and Venezuela to the Summit of the Americas?

Mexico, Honduras, Bolivia and Caricom have conditioned their presence in the Summit of the Americas to the participation of all the countries of the region, including Cuba, Venezuela and Nicaragua. Should Biden extend the invitation to his counterparts Díaz-Canel, Maduro and Ortega? Stephen McFarland, former US ambassador to Guatemala, and Arturo McFields, former Nicaraguan ambassador to the OAS, respond in Conclusions.