<p>WASHINGTON ? After soaring in prestige under former President Clinton, the centrist "New Democrat" movement is struggling to maintain its influence in the party as the 2004 presidential race accelerates.</p>
<p>In recent months, New Democrat leaders have engaged in escalating confrontations with more liberal party elements ? battles that could help determine whether Democrats largely follow Clinton's centrist course or tilt to the left in their challenge to President Bush next year.</p>