I am pretty sure they knew they weren't really welcome or maybe they were pushed
http://www.nbcnews.com/slideshow/phi...ention-n615841
See Picture 5
Might I suggest this for the opening song/video
https://youtu.be/eEwdO7QeyeM
It is also a great prep for the DNC convention and also a great teaching aid, we can all learn from this.
For those who aren't so inclusive...
https://youtu.be/14IRDDnEPR4