Parliament Votes Against Sharon Statement JERUSALEM - The Israeli parliament gave a symbolic slap to Prime Minister Ariel Sharon, voting against a statement defending his Gaza pullout plan, but he survived two no-confidence motions and pledged to bring the withdrawal itself to a vote in two weeks.    The maneuvering came Monday at the opening of the winter session of the Knesset, Israel's parliament, with Sharon heading a government that lost its majority over the Gaza pullout and is vulnerable to being toppled...