Yesterday, more than fifty national antiwar leaders released a letter to potential Nader voters. Many of the signers are longtime activists who have been central in organizing efforts against the war in Iraq, the proliferation of nuclear weapons and the Bush Administration's policy of pre-emptive war. "We stand with Nader in demanding that the cause of security and peace be at the top of the national agenda," the letter stated, "But we will not vote for him this election...the only practical way to safeguard the nation and the world is to vote for John Kerry for President of the United...