Bill Clinton wanted a regime change in Iraq. Apparently he left the job for Bush. Congress voted and approved. Hillary was one who voted yes....

Iraq Liberation Act

Bill Clinton in 1998:

"It should be the policy of the United States to support efforts to remove the regime headed by Saddam Hussein from power in Iraq."
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Also:

President George W. Bush, who followed Clinton, often referred to the Iraq Liberation Act and its findings to argue that the Clinton administration supported regime change in Iraq – and, further, that it believed Iraq was developing weapons of mass destruction

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