// Add post types of "Talk" and "Event"
function nc_custom_post_types() {
	register_post_type( 'talk',
		array(
			'labels' => array(
				'name' => __( 'Talks' ),
				'singular_name' => __( 'Talk' )
			),
		'public' => true,
		'has_archive' => true,
		'taxonomies' => array('talktype', 'category'),
		)
	);
	register_post_type( 'event',
		array(
			'labels' => array(
				'name' => __( 'Events' ),
				'singular_name' => __( 'Event' )
			),
		'public' => true,
		'has_archive' => true,
		)
	);
}
add_action( 'init', 'nc_custom_post_types' );