The question isn't whether Kerry would have a different Iraq policy than Bush today, but rather would Kerry have lied to the nation and gotten us into this mess in the first place.
"President Bush and Democratic challenger John Kerry have given worried voters little to choose from on Iraq, adopting similar 'stay-the-course' approaches to securing the peace and stabilizing the country. 'On actual policy, you need a microscope to identify the differences between them,' said Amatzia Baram, a senior fellow at the U.S. Institute of Peace."