Conservative Republican Mitt Romney is a possible running mate for John McCain in the 2008 Presidential Election.SF Chronicle: McCain-Romney?.. (August 25, 2008) Several political analysts and commentators consider Romney to be a controversial and risky choice that nonetheless might prove to be advantageous for McCain because of the ex-governor's appeal to more conservative voters.Boston Herald: Odd couple John McCain, Mitt Romney (August 23, 2008)