Divorce is one of the key predictors of poverty for a child growing up in a home that's broken.

I support workplace clean air. But a federal ban on smoking would mean that you couldn't smoke in your own home. I don't care what people do in their home.

So when we're really addressing issues like poverty, you can't do that without addressing the real driver of some of those, which is stable homes, families. So that's why to me those issues are important. They're not frivolous. They're critical economic issues.

I've had the privilege of working with Bono for the past few years in the One Campaign to fight AIDS and hunger and disease around the world. Bono is an Irishman and a great humanitarian. And I remember him telling me of his admiration for America.

There are certain players, certain leaders where, genuine and authentic, their message is going to resonate different than a coach.

American political scions evoke a central contradiction in our thinking. We believe - or say we do - in nurture, not nature. Yet we are comforted by the aristocratic notion that leadership might run in the bloodlines.

I am fully supportive of the strategy and leadership team at Valeant.

Let us wage a moral and political war against the billionaires and corporate leaders, on Wall Street and elsewhere, whose policies and greed are destroying the middle class of America.