the little island nation has a heavyweight reputation with the london games about to begin.bc's christian amapour ventured to cuba. >> reporter: he may be small, but his dreams are big. what do you want to be when you get big? champion? olympic champion? albert is one of hundreds of young cubans who begin olympic training at an age when most american children have pairly started little league. perhaps that's how cuba has come to dominate the world of olympic gold medal boxing. ♪ this island nation, just 90 miles from the coast of florida, has been ruled for more than 50 years by fidel castro. and the u.s. has been squeezing it with an economic embargo for almost as long, trying to bring fidel down along with his communist regime. cubans are isolated and poor, but inside the ring, they're rich. they're champions who have won 63 olympic boxing medals, 32 of them gold. and here is where those olympians are made. cuba's national boxing academy on the outskirts of havana. it doesn't look like much, but because of its reputation, it is considered a top training facility. and boxer