Barack Obama: “We need a President who will fight for the middle class every single day, and that's exactly what I'll do when I'm…”

it was nevertheless important that we all play a part in assuring that our elected officials are accountable.

Every president here today, as different as we are, has tried our best to uphold the values that John McCain and Mitt Romney believed in no less than I did.

Your task is not to impose litmus tests.

Listen, hypocrisy is progress.