(120104) -- DES MOINES, Jan. 4, 2012 (Xinhua) -- Zoey McCarty, 5, holds up a placard during a caucus night event of U.S. Republican presidential candidate, former Pennsylvania Senator Rick Santorum, in Johnston near Des Moines, capital of Iowa, the United States, Jan. 3, 2012. Santorum and former Massachusetts governor Mitt Romney basically tied in Iowa Caucuses on Tuesday night, with only an 18-vote margin separating the two after more than 99 percent of the votes were counted. (Xinhua/Zhang Jun) (zw)
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