Complex sentence: When Joan Laporta won the presidential election in 2003 he ran against the Jewish front-runner Lluis Bassat after Bassat's campaign was subject to wide-spread harassment from the Boixos Nois, including frequent shouts of "Fucking Jew".
Split into simpler sentences: When Joan Laporta won the presidential election in 2003 he ran against the Jewish front-runner Lluis Bassat. After Bassat's campaign was subject to wide-spread harassment from the Boixos Nois, with frequent shouts of "Fucking Jew".