Barack Obama: “We must--and we will--remain vigilant at home and abroad.”

When we choose, when we make that decision, I do believe – and there is evidence for this – that the world gets incrementally better, and that is a worthy goal and it’s worth fighting for.

I think when we act on that basis, it doesn't always work out, but over time things do get better.

The full weight of the federal government is being brought down on a law-abiding elected official because she has dared to criticize the president.

The effort, he said, “should outrage all Americans, regardless of how they feel about Congresswoman Omar’s political views.”