<?php 
$cat = get_query_var( 'cat' );
global $query_string;
query_posts($query_string . "&cat='.$cat.'&orderby=meta_value&meta_key=date2&order=DESC");
?>

				<?php
					$category_description = category_description();
					if ( ! empty( $category_description ) )
						echo '<div class="archive-meta">' . $category_description . '</div>';
				get_template_part( 'loop', 'category' );
				?>


<?php wp_reset_query();?>