It's not surprising then they get bitter, they cling to guns or religion or antipathy to people who aren't like them, or anti-immigrant sentiment, or anti-trade sentiment, as a way to explain their frustrations.

The United States is doing our part by increasing the number of refugees we resettle and I want again to commend Angela [Merkel], and more importantly, the German people for the extraordinary leadership and compassion that you have shown in the face of what I know is a very difficult challenge.

In the midst of economic recovery and global upheaval, disasters like this remind us of the common humanity that we share.

When we think of the major threats to our national security, the first to come to mind are nuclear proliferation, rogue states and global terrorism. But another kind of threat lurks beyond our shores, one from nature, not humans - an avian flu pandemic.

We were just at the beginnings of a recovery [in 2010]. And the, you know, whoever is president at that point is gonna get hit and his party's gonna get hit. That then means that suddenly you've got a redistricting in which a lot of state legislatures are now Republican. They draw lines that give a huge structural advantage in subsequent elections.

We run everything to ground. If you see something, say something. Report your concerns to law enforcement. They will be looked at, they will be reviewed.

Whatever we think of the past, we must not be prisoners to it.