The military is such a hierarchical institution. It's an institution where, if you are assaulted by a person senior to you, you're probably the person that's expendable and that's going to get in trouble.

Campaigns and primaries can get ugly. There are always messy squabbles.

Donald Trump is actually doing what Bernie Sanders was billed as doing. He's doing new voters into the process.

It's not enough to keep winning seconds and thirds. At some point, Ted Cruz has actually won on. [Marco] Rubio's got to actually win a state.

As the refugee crisis unfolds across Europe, another is looming in our backyard. The number of children crossing the southwest border unaccompanied has quietly surged more than a year after President [Barack] Obama referred to the problem as a quote "urgent humanitarian situation."

Pope Francis also I think was really pivotal in sort of sanctioning and giving that important cosign to the opening of Cuba.

I think that behind the scenes the Pope [Francis] is seen as more of a religious figure, but obviously he is sort of a global political figure.