We all know how #Trump responds to hecklers and protestors.

But how did #Obama respond?

Here's a video from @CNN.
https://www.youtube.com/watch?v=6A8TiUpKDVg

https://www.invidio.us/watch?v=6A8TiUpKDVg

The whole thing was a lot calmer. There was fewer emotions on both sides than you see at #Trump events, when a heckler is present.