One of the world s longest-serving and most iconic leaders, former Cuban president Fidel Castro, died last night at the age of 90.According to Robert Pastor, former national security adviser to President Jimmy Carter,  There are few individuals in the 20th century who had a more profound impact on a single country than Fidel Castro had in Cuba,  (Source: CNN)Last night 21WIRE editor Patrick Henningsen spoke with RT International about what Castro s passing will mean to US politics, and how his legacy might influence future generations of Cubans, as well as the rest of Latin America. Watch: SUPPORT 21WIRE  SUBSCRIBE NOW & BECOME A MEMBER @21WIRE.TV