public function setFeatured($enable)
    {
        $t = $this->getNewsModelAdapter()->getTable();

        if (true === $enable) {
            $this->columns[] = "$t.featured=?";
            $this->values[] = 1;
        } elseif (false === $enable) {
            $this->columns[] = "$t.featured=?";
            $this->values[] = '';
        }
    }