RSS Feed not validating

Hi.
I am having a hard time fixing the feed on my site: patsieler.com
I checked it on http://validator.w3.org/ and got this message. I tried using a plug-in to fix it with no success.

This feed does not validate.
line 191, column 3: Invalid character in a URI: <a%20href=”http://www.amazon.ca/gp/offer-listing/1581347588/ref=as_li_tf_tl?ie=UTF8&camp=15121&creative=330641&creativeASIN=1581347588&linkCode=am2&tag=calvaoakvi-20″>Disciplines Of A Godly Man<img src=”http://ir-ca.amazon-adsystem.com/e/ir?t=calvaoakvi-20&l=am2&o=15&a=1581347588&#8243; width=”1″ height=”1″ border=”0″ alt=”” style=”border:none !important; margin:0px !important;” /> [help]
]]></content:encoded>
^
line 266, column 24: XML parsing error: <unknown>:266:24: not well-formed (invalid token) [help]
<description><![CDATA[How do you react when you face deception, bitternes …
^
In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendations.
line 161, column 0: content:encoded should not contain data-toggle attribute (7 occurrences) [help]
<div class=”x-entry-share” ><p>Share this everywhere!</p><div class=”x-shar …
line 161, column 0: content:encoded should not contain data-placement attribute (7 occurrences) [help]
<div class=”x-entry-share” ><p>Share this everywhere!</p><div class=”x-shar …
line 161, column 0: content:encoded should not contain data-trigger attribute (7 occurrences) [help]
<div class=”x-entry-share” ><p>Share this everywhere!</p><div class=”x-shar …
line 161, column 0: content:encoded should not contain onclick attribute (6 occurrences) [help]
<div class=”x-entry-share” ><p>Share this everywhere!</p><div class=”x-shar …
line 162, column 3: content:encoded should not contain relative URL references: #share (6 occurrences) [help]
]]></content:encoded>