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>> reporter: noticeably absent, the former president >> im happy to be here, i love the people here. i think this is a great event. >> reporter: senator leading the roast and ride former vice president, mike pence not announced yet but expected to announce this week >> well be back in iowa wednesday. >> reporter: and a few more times that have? >> entirely possible >> reporter: eight months from the caucus, candidates introducing themselves >> are you going to caucus for him? >> im not sure. >> ...