FALSE COMPARISONSMcCain tries to gin up a totally phony and ridiculous controversy with Obama over whether Iran is a bigger threat today than the Soviet Union was during the Cold Warhttp://blogs.usatoday.com/onpolitics/2008/05/mccain-challeng.htmlhttp://tpmelectioncentral.talkingpointsmemo.com/2008/05/mccain_hits_obamas_inexperienc.phphttp://tpmelectioncentral.talkingpointsmemo.com/2008/05/