NEW : The French Institute of Public Opinion said it conducted the poll Sunday night . An opinion poll shows National Front party leading Sarkozy . Sarkozy says he has a `` duty to listen '' to far-right voters . Socialist Francois Hollande topped Nicolas Sarkozy in the second round of presidential elections . Hollande and Sarkozy will face off on One year ago .
NEW : An opinion poll shows National Front party leading Sarkozy . Sarkozy says he has a `` duty to listen '' to far-right voters . Socialist Francois Hollande topped Nicolas Sarkozy in the second round of presidential elections . Hollande and Sarkozy will face off on One year ago .