Barack Obama: “I want a confident America where, yes, everybody makes sacrifices, but nobody bears all the burden.”

Because if this becomes the new normal, there’s no reason to believe it will stop with her — or that future presidents, in either party, won’t do the same.

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

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

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.