To be honest, I do not agree with interrupting his speeches. That was very rude, and disruptive, even if to a pig like Newt. By trying to talk over him, we are being anti-free speech. We mustn't be hypocritical!
What I instead advise people to do is LET him talk, then tear apart his statements AFTER by saying the truth, and questioning him on it. His supports don't know who the true Newt is. There for, the key is to expose him, rather than to attack him. Otherwise support for him will be reinforced because when we engage in uncivilized behavior, they associate critics of Newt with a fool!
It's an arrogant way of thinking, but we must keep this in mind if we want to support Paul, and truly get rid of the other candidates.