NBC6: Across South Florida, the death of former Cuban leader Fidel Castro is being met with a sense of celebration from memebrs of the exile community. Castro, who spent nearly five decades ruling the country after launching a military takeover in 1959, died Friday night at the age of 90. His death was announced on Cuban television by his brother, Raul - who took over as leader of the nation when Fidel Castro stepped down in 2006. Hundreds of Cuban Americans crowded to the roads…