<p>Democratic leaders and advisers say there is growing anxiety about the prospect of antiwar candidate Howard Dean becoming their presidential nominee next year, which has triggered talk of a "stop Dean" movement in the party.</p>
<p>These Democrats say that the concerns center in large part on Mr. Dean's bitter opposition to the war in Iraq that, they maintain, will make their party look weak on national security and the war on terrorism in next year's presidential election.</p>