All he is asking is that we "give peace a chance" which means "end the occupation, withdraw the troops and bring in the international community. Oh, one more thing, the US must pay reparations to the people of Iraq. He is broken hearted that the world doesn't like us right now but if we make a "truthful confession" and admit that "the war was based on a lie" we can begin to make things right with the world.
In another day and time, this man would be in a brig somewhere awaiting trial and a noose. In this day and age though, he is a Presidential candidate.