189826 Validate a Wordpress Blog

I have a blog that will not validate for use with Feed Burner. When attempting to validate it gives the following error lines: This feed does not validate. * line 455, column 0: XML parsing error: <unknown>:456:0: junk after document element [help] </rss> In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendations. * line 65, column 0: content:encoded should not contain onclick attribute (72 occurrences) [help] <a title="Click me to see the sites." href="#" onclick="$$('[login to view URL]').each( ... * line 80, column 0: style attribute contains potentially dangerous content: font-size:90%;text-align: right; (6 occurrences) [help] <a style="font-size:90%;text-align: right; " title="Click me to hide the sit ... * line 454, column 1: Missing atom:link with rel="self" [help] </channel> I would like for someone to fix this for me. Nothing more.