public function index()
{
$this->vars['postsTotal'] = Post::count();
$this->vars['postsPublished'] = Post::published()->count();
$this->vars['postsExpired'] = Post::expired()->count();
$this->vars['postsDrafts'] = $this->vars['postsTotal'] - $this->vars['postsPublished'] - $this->vars['postsExpired'];
$this->asExtension('ListController')->index();
}