Embedded Videos Not Working

Embedded videos are not working for me. They are in the RSS feed as an iframe. Is there any way to debug where the process if failing? By the time it gets to a post, the iframe has been stripped, and I can’t tell what’s doing it. Here’s what the iframe looks like in the rss feed:

<iframe src=”https://www.youtube.com/embed/08DV9ZxGjmc&#8221; width=”640″ height=”360″ frameborder=”0″ allowfullscreen=”allowfullscreen”></iframe>

https://wordpress.org/plugins/wp-rss-multi-importer/