public function paginateNews ($offset = 0, $count = 20)
    {
        $json = $this->paginate(MediaType::ARTICLE, $offset, $count);
        $resultSet = [];
        
        foreach ($json->item as $item) {
            $resultSet[] = $this->expandNews(
                $item->content->news_item,
                new Paginated\News($item->media_id, $item->update_time)
            );
        }

        return new Paginated\NewsResultSet($resultSet, $json->total_count, $offset);
    }