Use post format «Video» if you are going to add video to your post. For featured video, use «Video post format settings» custom meta box, to select video host service, add video ID (not the whole URL) and set other settings.
Video is new radio. Radio was new books. Books was new cave art. Cave art was new nothing. After video comes computers and internet — an interaction, with medium, and through medium, with other human being, which closes the circle and brings us back to start — to cave just before some bearded guy decided to draw something an the wall. Go ahead, post some status on your wall.
Octavian the Dog
Any dog is better then any human. We prove it every day. There’s more love and empathy in dog’s one welcome then in all politician speaks in all history. We vote for politicians and give them power (or, they take it … but that’s another story) to run our world, and this is telling about us a lot.