See Article 2, Section 4.
It's easier than overriding a veto. You only need a majority of the House and two thirds of the Sentate.
Why resrict ourselvesto constiutional means? Obama and his junta have no regard for it, and are destroyinng it as we speak. I agree that constitutioal means are best but there is no need in his situation to restrict ourselves to them.
Extra-constitutional means may be necessary, simply because Obama as a tyrant knows how to manipulate the powers of the constitution to his own sordid ends, having no regard for it.
Extra costitutional methods may be necessary, and justified in this case, just as the declaration of independence states in its preamble.Obama would also not expect that.He exoects we constitutionlists to be good according to the constuitution we suport and defend.We may need to be very, very bad.