I am trying to read xml data feed using simple xml load api.

having problem with reading following XML format

Code:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE data SYSTEM "http://affiliates.mondera.com/affiliates/jewelry.dtd">
<data><description>birth_stone</description>
<date>9/7/2009 4:51:19 AM</date>
<row SKUid="3009776">
<SKU>3009776</SKU>
<WebLink>http://click.linksynergy.com/fs-bin/click?id=w7UOeEAmnJM&amp;subid=1&amp;offerid=40840.1&amp;type=10&amp;tmpid=977&amp;RD_PARM1=http%3A%2F%2Fwww.mondera.com%2Fjewelry%2Fproduct.asp%3Fpartno%3D3009776</WebLink>
<ThumbNailImage>http://www.mondera.com/images/listimages/3009776.jpg</ThumbNailImage>
<LargeProductImage>http://www.mondera.com/images/large1/3009776.jpg</LargeProductImage>
<Price>200</Price>
<MainCategory>Gemstone Jewelry</MainCategory>
<Category>Earrings</Category>
<Short_Description>14k White Gold Sapphire Stud Earrings</Short_Description>
<Metal>14k White Gold</Metal>
</row>
</data>
Below is my code for google news feed

PHP Code:
<?php
$url 
"http://news.google.com/?ned=us&topic=t&output=rss";
$rss simplexml_load_file($url);
    if(
$rss)
    {
    
    echo 
'<h1>'.$rss->channel->title.'</h1>';
    echo 
'<li>'.$rss->channel->pubDate.'</li>';
    
    
    
$items $rss->channel->item;
        foreach(
$items as $item)
        {
            
$title $item->title;
            
$link $item->link;
            
$published_on $item->pubDate;
            
$description $item->description;
            echo 
'<h3><a href="'.$link.'">'.$title.'</a></h3>';
            echo 
'<span>('.$published_on.')</span>';
            echo 
'<p>'.$description.'</p>';
        }
    }
?>
Thanks in advance!