What to watch for in the final GOP debate before the Iowa caucuses
By Gregory Krieg, Eric Bradner, Steve Contorno and Daniel Strauss, CNN (CNN) — The final Republican primary debate before the Iowa caucuses will be a one-on-one showdown between former South Carolina Gov. Nikki Haley, now riding a wave of momentum in the polls and boosted by a barrage of outside spending, and Florida Gov. Ron DeSantis, whose
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