Gerard ` Gerry ' Adams ( born 6 October , 1948 in Belfast , Northern Ireland ) is an Irish politician who is the president of Sinn FÃ in , a political party that wants Northern Ireland to join the Republic of Ireland . Gerry Adams ( ; born 6 October 1948 in Belfast , Northern Ireland ) is an Irish republican politician and Teachta DÃ la ( TD ) for the constituency of Louth .