We've got this arc of instability from North Africa to South Asia, and we have to pay close attention to it. And we have to build coalitions, something that I did to take on the Iranian nuclear program, and what I will do as president to make sure that we defeat these terrorist networks.

Everybody has some dysfunction in their families.

I think the stress on income inequality is something that every American should take seriously, we have got to figure out how we're going to provide more economic opportunity - good jobs with rising incomes - and I'm excited to work with Senator Sanders in doing that.

The president [Barack Obama] decided to leave more troops than he had originally planned in Afghanistan. We have a very cooperative government there, with Ashraf Ghani and his top - his top partner, Abdullah. And they are doing their very best. And the Afghan army is actually fighting. The Afghan army is taking heavy losses defending Afghan territory.

The harder they hit, the more encouraged I get.

I've spent 30 years, actually maybe a little more, working to help kids and families. And I want to take all that experience to the White House and do that every single day.

My dream is a hemispheric common market, with open trade and open borders.