Below is the new embed code from YouTube....
It is the same code I placed above this post!
<iframe width="560" height="315" src="//www.youtube.com/embed/gUw8fE6S1eU?list=PLKEzuOOEQvYO4Bn9wDXfxmD1izh7Q-1BL" frameborder="0" allowfullscreen></iframe>
Take notice of the website link/address, and see there is no http: in front of the //www
This is a broken code
Fix it before you embed any new video, by adding the http: in front of it, like below,
and the fixed code will work like the one BELOW this post.
<iframe width="560" height="315" src="https://www.youtube.com/embed/gUw8fE6S1eU?list=PLKEzuOOEQvYO4Bn9wDXfxmD1izh7Q-1BL" frameborder="0" allowfullscreen></iframe>

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