We live in a world where there are dangerous people, there are bad people.

(The) chain of command has failed over the years, obviously, for a lot of reasons.

Nations, great nations have limitations. All nations have limitations. Even great powers have limitations.

The recent wave of Taliban attacks has made clear that the international community must not waiver in its support for a stable, secure and prosperous Afghanistan.

No one individual vote, no one individual quote or no one individual statement defines me, my beliefs, or my record.

Alliances and international organizations should be understood as opportunities for leadership and a means to expand our influence, not as constraints on our power.

Closing Guantanamo Bay is not a military solution. The closing of that prison, which I support, I supported it when I was in the Senate, requires more than just a military dimension.