Joe Lieberman was behind this resolution. If you recall, earlier this month it was Lieberman who called for a bombing strike against Iran.
US Senate unanimously passes threatening measure against Iran
By Peter Symonds
14 July 2007A little publicised amendment to the defence spending bill denouncing Iran for the “murder” of US soldiers in Iraq was proposed by Independent Democrat Joseph Lieberman and passed unanimously in the US Senate on Wednesday. Republicans and Democrats all lined up to support the White House’s unsubstantiated accusations that Tehran is funding, training and arming Iraqi militias, “who are contributing to the destabilisation of Iraq and are responsible for the murder of members of the United States Armed Forces”.
For all their antiwar posturing, not a single Democrat, including the leading presidential contenders Hilary Clinton, Barrack Obama and Joseph Biden, opposed the amendment. Having supported the Bush administration’s crimes in Iraq, the Democrats are lending credibility to another campaign of lies, half-truths and disinformation aimed at justifying a new military adventure.
The vote demonstrates once again that the differences between the White House and the Democrats are purely tactical. What unites all factions of the American political establishment is their defence of the strategic and economic interests of US imperialism in the Middle East. None of them has any principled opposition to a US military attack on Iran, if it would further American domination in this key region.
In his speech, Lieberman pointed to the underlying US strategic interests involved. “One of them was to prevent Iran from dominating parts of Iraq. Another was to preserve our credibility in the region... that is important to us in so many ways. In the most direct way... we continue to depend too much on oil and gas that comes from the Middle East so we have an interest in keeping it stable,” he declared.
While it mandates no action beyond regular reports to Congress, the Lieberman amendment effectively endorses the Bush administration’s propaganda against Iran. For months, the White House and the Pentagon have maintained a steady drumbeat: the Iranian Revolutionary Guards are training, financing and supplying arms, including deadly armour-piercing devices, to militias that are killing US troops.
http://www.wsws.org/articles/2007/jul2007/iran-j14.shtml