social and economic changes there since the cuban revolution. i m talking about a relatively rare occurrence. a congress of the communist party in havana. cnn international, real lisa has the story. we re talking changes that could shift the entire country. well, they could and they could not. we have an inkling of what this would be last fall when president raul castro said the cube an model doesn t work form us anymore. it s inevitable. he s going to cut 20% of the state workforce. bear in mind that 80%, 90% of the people work for the state in cuba. everything is dominated by the state. 20%, one million people he s going to be cutting from the workforce. he was supposed to cut half a million by now, by the congress, this congress that s beginning which is going to vote on these changes. but that has been delayed. now, where are these people going to go? where are they going to work?