In the course of history, there comes a time when humanity is called to shift to a new level of consciousness, to reach a higher moral ground. A time when we have to shed our fear and give hope to each other. That time is now.

Why is it that countries which we call strong are so powerful in creating wars but are so weak in bringing peace? Why is it that giving guns is so easy but giving books is so hard? Why is it, why is it that making tanks is so easy, but building schools is so hard?

And let me offer lesson number one about America: All great change in America begins at the dinner table. So, tomorrow night in the kitchen I hope the talking begins. And children, if your parents haven't been teaching you what it means to be an American, let 'em know and nail 'em on it. That would be a very American thing to do.

Recently I had the privilege of joining ex German Chancellor, Angela Merkel on a panel. I have long been in awe of her leadership, not least for her endurance. She was in power for 16 years. I once asked her how she managed it, her response was "things have changed a lot."

There's a term that gets thrown around a lot – keyboard warrior. It's used to refer to someone who makes aggressive or abusive posts online, often anonymously. I like the name. In my mind, when I read something especially horrific on my feed, I imagine it's written by a lone person unacquainted with personal hygiene practices, dressed in a poorly fitted super hero costume – one that is baggy in all the wrong places.