Kommentarfunktion gibt nichts mehr aus

<?php if(in_category('Sendungen')) { ?>
<div id="rightcol">
    <?php /* Umfrage */ 
    if($poll = get_post_meta($post->ID, 'poll', true)) { ?>
        <?php get_poll($poll);?>
    <?php } /*Ende Umfrage */ ?>


    <h2>Letzte Sendungen</h2>
    <?php query_posts('cat=1&showposts=10'); ?>
    <?php $posts = get_posts('category=1&numberposts=10&offset=0'); 
    foreach ($posts as $post) : start_wp(); ?>
    <?
    if($image = get_post_meta($post->ID, 'thumbnail', true)) { ?>
        <p><a href="<?php the_permalink() ?>"><img src="<?php get_option('siteurl'); ?><?php echo $image; ?>" alt="<?php the_title(); ?>" /></a> <br /><?php the_title(); ?></P>
    <? }  ?>
    <?php endforeach; ?>
</div>
<div id="leftcol">
    <?php comments_template(); ?>
</div>
<?php } ?>

<?php get_header(); ?>
<?php if (have_posts()) : while (have_posts()) : the_post(); ?>
        <div class="post" id="post-<?php the_ID(); ?>">
            <h2><a href="<?php the_permalink() ?>" rel="bookmark" title="<?php printf(__('Permanent Link to %s', 'kubrick'), the_title_attribute('echo=0')); ?>"><?php the_title(); ?></a></h2>


            <div class="entry">
                <?php the_content('<p class="serif">Den ganzen Beitrag lesen »</p>'); ?>
                <?php if(function_exists('the_ratings')) { the_ratings(); } ?>  
            </div>
        </div>


    <? if(!in_category('Sendungen')) { ?>
        <?php comments_template();  ?>
    <? }?>


    <?php endwhile; else: ?>


        <p>Es gibt leider keine Beitr&auml;ge, die deinen Kriterien entsprechen.</p>


<?php endif; ?>
</div>
</div>


<?php if(in_category('Sendungen')) { ?>
<div id="rightcol">
    <h2>Umfrage</h2>
    <?php 
    if($poll = get_post_meta($post->ID, 'poll', true)) { ?>
        <?php get_poll($poll);?>
    <?php } ?>


    <h2>Letzte Sendungen</h2>
    <?php query_posts('cat=1&showposts=10'); ?>
    <?php $posts = get_posts('category=1&numberposts=10&offset=0'); 
    foreach ($posts as $post) : start_wp(); ?>
    <?
    if($image = get_post_meta($post->ID, 'thumbnail', true)) { ?>
        <p><a href="<?php the_permalink() ?>"><img src="<?php get_option('siteurl'); ?><?php echo $image; ?>" alt="<?php the_title(); ?>" /></a> <br /><?php the_title(); ?></P>
    <? } ?>
    <?php endforeach; ?>
</div>
<div id="leftcol">
<p>Kommentare:</p><?php comments_template(); ?>
</div>


<? } ?>
<?php get_footer(); ?>