Scott Ritter explains how it's up to us to prevent Cheney from starting war with Iran (snippet):

".... The antiwar movement in America must make a strategic decision, and soon: Contain the war in Iraq, and stop a war from breaking out in Iran. The war in Iraq can be contained simply by letting war be war. There is no genuine good news coming out of Iraq. There won’t be as long as the United States is there. As callous as it sounds, let the war establish the news cycle, and let the reality of war serve to contain it. The surge has failed. Congress may not act decisively to bring the troops home, but it is highly unlikely that Congress will idly approve any massive expansion of an unpopular war that continues to fail so publicly. "Iran, however, is a different matter. Congress has already provided legal authority for the president to wage war in Iran through its existing war powers authority (one resolution passed in 2001, the other in 2002). Likewise, Congress has allowed the Bush administration to forward deploy the infrastructure of war deep into the Middle East and neighboring regions, all in the name of the “global war on terror." The startup costs for a military strike against Iran would therefore be greatly diminished. Sustaining such a conflict is a different matter, but given current congressional reticence to stand up to a war-time president, it is highly unlikely any meaningful action would be taken to stop an Iranian war once the bombs start falling. And we should never forget that Iran has a vote in how this would end; once it is attacked, Iran will respond in ways that are unpredictable, and as such set in motion a string of cause-effect military actions with the United States and others that spins any future conflict out of control. "The highest priority for the antiwar movement in America today must be the prevention of a war with Iran. The strategic objectives should include getting Congress to repeal the war-powers authorities currently on the books, thereby forcing the president to seek new congressional approval for any new war. Likewise, a concerted effort must be undertaken to counter the disinformation being spread by the Bush administration and others about the nature of the Iranian threat. Every action undertaken by the antiwar movement must be connected to one or both of these strategic objectives. This is not the time for one-off sophomoric newspaper advertisements, but rather for sustained action focused on generating congressional hearings and public debate across the entire spectrum of American society. From the colleges and universities to the churches and on to the public square of small-town America, public information talks, presentations and panels must be held. Communities should flood local media outlets with requests for coverage and appeal to regional media to run stories. Mainstream media will follow. Demonstrations, if useful at all, must be focused events linked to an overall campaign designed to facilitate a strategic objective. "We all should remember the fall of 2002. Many felt that there was no chance for a war with Iraq, especially once U.N. inspectors made their return. In March 2003, everyone who thought so was proved wrong. The fall of 2007 is no different. There is a sense of complacency when one speaks of the potential for a war with Iran. But time is not on the side of those who oppose conflict. If nothing is done to change the political situation inside America regarding Iran, there is an all too real possibility for a war to break out in the spring of 2008. "Sadly, there really is no alternative for the antiwar movement: Put opposition to the war in Iraq on the back burner and make preventing a war with Iran the No. 1 priority, at least until the national election cycle kicks in during the summer of 2008. If a war with Iran hasn’t happened by then, it probably won’t. And the national debate on Iraq won’t be engaged until that time, anyway. A war with Iran would make the current conflict in Iraq pale by comparison, and would detrimentally impact the whole of America, not just certain demographics. As such, it is critical that we all put aside our ideological and political differences and focus on the one issue which, if left unheeded, will have devastating consequences for the immediate future of us all: Prevent a future war with Iran."