Originally published on Wed May 23, 2012 11:10 am
In this final week before the Iowa caucuses on Jan. 3, each of the Republican presidential candidates is starting an all-out scramble to shore up support in a contest that's still up for grabs.
Former House Speaker Newt Gingrich and former Massachusetts Gov. Mitt Romney are competing for the votes of moderate, mainstream Republicans. Both of them have spent time at the top of the polls.
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