I am using jQuery to parse an RSS feed. Within each
$(xml).find('item') works but $(xml).find('item content') does not.
Are you loading the xml via Ajax? Then, make sure that the server sets the content type as 'text/xml' and not 'text/html'.
Also make sure that the tag name of the element you want is indeed content and not something else (like content:encoded). In that case try:
Special characters like : need to be escaped in jQuery selectors.