It will take time to eradicate a cancer like Isil. And any time we take military action, there are risks involved - especially to the servicemen and women who carry out these missions. But I want the American people to understand how this effort will be different from the wars in Iraq and Afghanistan. It will not involve American combat troops fighting on foreign soil.

Even when folks are hitting you over the head, you can't stop marching. Even when they're turning the hoses on you, you can't stop.

Peace is not just the absence of war. True peace depends upon creating the opportunity that makes life worth living. And to do that, we must confront the common enemies of human beings: nuclear weapons and poverty; ignorance and disease.

We Americans are not an inherently more violent people than folks in other countries. We're not inherently more prone to mental health problems. The main difference that sets our nation apart is what makes us so susceptible to so many mass shootings is that we don't do enough, we don't take the basic commonsense actions to keep guns out of the hands of criminals and dangerous people. What's different in America is it's easy to get your hands on a gun.

I have seen, the desperation and disorder of the powerless: how it twists the lives of children on the streets of Jakarta or Nairobi in much the same way as it does the lives of children on Chicago 's South Side.

But another thing I know is this — we can’t steer ourselves out of this crisis by heading in the same, disastrous direction. We can’t change direction with a new driver who wants to follow the same old map. And that’s what this election is all about.

Every four minutes, another American home or business goes solar.