'I'm British', says the young lady with strawberry blonde hair and a Midlands accent, 'but I don't have a drop of British blood in me.' Carmen Laanemagi is from Leicester - and Estonia. Pauline Riemers is a nurse in Epsom; her parents are Latvian. Algis Kuliukas, a British Airways computer programmer, lives in Hounslow; he's part- Lithuanian. Last July they embarked on the Baltic Star in Stockholm. It was the beginning of an emotional and exciting voyage. The aim was to sail as close as they could get to the coasts of Lithuania, Latvia and Estonia - now part of the Soviet Union.Forty years ago their parents had fled as refugees when the three Baltic states lost their short-lived independence. Now the lost children were returning - hoping for a distant glimpse of home.