BUCHAREST, Romania (AP) — Pole dancers hoist themselves high, twist their bodies and do the splits upside down as they vie to be the best. But the women, competing in the world pole fitness and sports championships in Romania's capital, Bucharest, face a challenge even before they climb onto the pole: persuading people that this is a tough sport that should be an event at the Olympic Games, and not an erotic number staged in men's clubs. The Alliance of Parents from Romania called the Romanian national finals, where youngsters compete, "a step toward infantile prostitution," and more than 100 non-governmental groups signed a petition. Police were called during the Sept.