Default Sort WordPress Post Types Admin by Date

gistfile1.php

<?php 
function duffy_custom_post_types_admin_order($wp_query) {
	if ( is_admin && ( get_query_var('orderby') == 'menu_order title' ) ) {
		// 'orderby' value can be any column name  
		$wp_query->set('orderby', 'date');  
		
		// 'order' value can be ASC or DESC  
		$wp_query->set('order', 'DESC');  
	}  
}  
add_filter('pre_get_posts', 'duffy_custom_post_types_admin_order');