/**
 * wcb_the_session()
 *
 * Loads up the current session in the loop.
 *
 * @return object WordCamp information
 */
function wcb_the_session()
{
    $query = wcb_session_query();
    return $query->the_post();
}
<?php

/**
 * @deprecated (template name was Sessions)
 *
 * A custom page template that provides a list of sessions.
 */
$structure = wcb_get('structure');
$structure->full_width_content();
$sessions = wcb_session_query();
wcb_suppress_sharing();
get_header();
?>

		<div id="container">
			<div id="content" role="main">
				<div class="callout lead"><?php 
if (have_posts()) {
    the_post();
    the_content();
}
?>
				</div>

				<div class="cpt-loop sessions"><?php 
$half_id = wcb_optimal_column_split($sessions, 200);
// Open the first column
echo '<div class="grid_6 alpha">';
while (wcb_have_sessions()) {
    wcb_the_session();
    // Close the first column, open the second.