Complex sentence: Member of the Socialist Party, his political career grown from 1971, when he became municipal council, to this election as deputy of Territoire de Belfort "département" until 2002, he was chairman of the National Assembly from 2000 to 2002.
Split into simpler sentences: Member of the Socialist Party, his political career started in 1971 when he became municipal council. He was chairman of the National Assembly from 2000 to 2002.