Donald Trump's presidency of broken promises is further dividing America

From town halls to fish fries, debate stages to Hall of Fame dinners, we have talked a lot about changing our policies in this election. But I believe we need to change the tone in our politics, too.

We have a president who wakes up every day thinking about how he can divide this country. We need to stop the mean tweets, divisive attacks and broken promises. We need to look up from our phones and listen to each other. And we need to start working together. Because I...