second loop child categories

<div id="sidebar-interview">

    <?php $descendants = get_categories(array('child_of' => 11)); //interview category id is 11 on my install
     foreach ($descendants as $child) {

         $catPosts = new WP_Query(); $catPosts->query("showposts=3&cat=$child->term_id");  ?>

    <h2><?php echo $child->cat_name; ?></h2>
    <?php while ($catPosts->have_posts()) : $catPosts->the_post();

           include 'php/get_category.php'; //creates css classes for categories  ?>



        <div class="post <? echo $cat; ?>">

 <span class="meta">
<span class="cat"><? echo $cat_name; ?> <span class="date"><?php the_time(get_option('date_format')); ?>
  </span>
   </span>
    </span>

    <span class="fill">
    <h2><a href="<?php the_permalink() ?>"><?php the_title(); ?></a></h2>
    <? if ( has_post_thumbnail() ) ?>
             <a href="<?php the_permalink() ?>">  <?  the_post_thumbnail('front-thumbs'); ?> </a>

        <span class="article-text">
    <a href="<?php the_permalink() ?>"> <?php the_excerpt(); ?> </a>
                        </span>
                           </span>

  </div><!-- end post -->



<?php endwhile; wp_reset_query();   } //end foreach
                                                       ?>



   <?php include "php/_sidebar.php"; ?>

    </div>