Barack Obama: “It's time to expect more from our students. It's time to start rewarding good teachers, stop making excuses for bad…”

The fact that any president, or any administration, is willing to engage in such transparent efforts to intimidate someone should outrage all Americans, regardless of how they feel about Congresswoman Omar’s political views.

A drift towards extremism was "not inevitable

It is a basic principle of American democracy that the government can’t selectively target individuals simply because of their political beliefs or what they say.

If I had a blame pie for why politics is so polarised and why we're seeing a rise of populism in many places, it's because of that information that is going into our brains every day.