Moore sat down with Piers Morgan for the first time less than four months after we went on air to talk about the historic news of Osama bin Laden's death.
Then, as the Occupy Wall Street movement began, Moore was on after joining the protesters in downtown Manhattan at Zuccotti Park. He had some words about President Barack Obama's performance. "He should be mad at himself first," he said.
At the height of the Occupy movement, Piers and Moore hosted a town hall where they took questions from Twitter, Facebook and the studio audience.
Tonight, one question is 'what's next for the Occupy movement?' Moore will also field questions on the state of the 2012 GOP field