The importance of making sure that the sense of accountability when, in fact, law enforcement is involved in a deadly shooting is something that I think communities across the board are going to need to consider, we have a great opportunity, coming out of some great conflict and tragedy, to really transform how we think about community law enforcement relations so that everybody feels safer and our law enforcement officers feel, rather than being embattled, feel fully supported.

When we helped prevent the massacre of civilians trapped on a distant mountain, here's what one of them said: "We owe our American friends our lives. Our children will always remember that there was someone who felt our struggle and made a long journey to protect innocent people." That is the difference we make in the world.

First and foremost, it's important to remember that, from my perspective at least, my most important legacy was making sure that the world didn't go into a Great Depression.

I've been struck by how hungry we all are for a different kind of politics. So I've spent some time thinking about how I could best advance the cause of change and progress that we so desperately need.

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.

We can give our intelligence and law enforcement community the powers they need to track down and take out terrorists without undermining our commitment to the rule of law, or our basic rights and liberties.

We continue to stand united with Germany and our NATO allies in our ongoing efforts to build peace and stability in Afghanistan.