Ireland's most successful businessman, Tony O'Reilly, forecasts increased foreign investment in Ireland but warns against complete control passing to multinational companies in New York, London or Paris. Irish art students in Dublin demand radical changes to their college and its curriculum. Ireland hosts the Eurovision Song Contest in April. RTE prepares for its first-ever live colour TV production. Angela Farrell represents Ireland with 'One Day Love'. Severine wins for Monaco with "Un Banc, Un Arbre, Une Rue". The Fianna Fail Ard-Fheis turns nasty. A deeply divided party witnesses a public power struggle as Kevin Boland directly challenges the Fianna Fail leadership over its behaviour in the previous year's Arms Crisis. In open defiance of traditional Fianna Fail policy, the Boland faction also demands militant action on Northern Ireland. Patrick Hillery faces down the challengers. The party leadership wins a decisive victory. VIETNAM South Vietnamese forces sweep into neighbouring Laos to disrupt the North's 'Ho Chi Minh Trail' supply line. The U.S. continues its gradual withdrawal of combat troops. Many Vietnam veterans join the anti-war movement in the U.S. In May, the Irish Women's Liberation Movement leads a cross-Border protest against the Republic's ban on contraception. Contraceptives bought in Belfast are brought back on the train to Dublin. CLEW BAY Co. Mayo Hippies set up a commune on a remote island. The hippies claim they are creating a new society for the future. Cigarette advertising is banned on television this year. The nation has a booming drinks trade in 1971 . Across rural Ireland, there is one pub for every 250 people. An award-winning RTE drama, "A Day in the Life of Martin Cluxton", tells the story of a young Dubliner in and out of industrial school. On 9 August, the NI government introduces internment without trial. Hundreds of Catholics are 'lifted' in pre-dawn raids. The operation is directed only at the I