ing ▁the ▁state ▁on ▁their ▁own ▁respective ▁bus ▁t ours . ▁Bach mann ▁visited ▁all ▁ 9 9 ▁of ▁the ▁state ' s ▁count ies ▁in ▁a ▁ten - day ▁swe ep ▁through ▁the ▁state . ▁Other ▁candidates , ▁including ▁Ron ▁Paul , ▁New t ▁G ing rich ▁and ▁Rick ▁Sant orum , ▁also ▁held ▁several ▁events ▁throughout ▁the ▁state ▁to ▁meet ▁with ▁vot ers . ▁Mitt ▁Rom ney ▁also ▁visited ▁the ▁state , ▁but ▁spent ▁most ▁of ▁December ▁foc using ▁his ▁efforts ▁on ▁the ▁New ▁Ham pshire ▁primary ▁instead . ▁Jon ▁Hun ts man ▁also ▁decided ▁to ▁focus ▁on ▁the ▁New ▁Ham pshire ▁primary , ▁and ▁did ▁not ▁campaign ▁in ▁Iowa . ▁ ▁Pol ling ▁in ▁the ▁final ▁weeks ▁saw ▁a ▁sur ge ▁of ▁support ▁for ▁Ron ▁Paul , ▁with ▁G ing rich ' s ▁support ▁beginning ▁to ▁fal ter . ▁Support ▁for ▁Mitt ▁Rom ney ▁also ▁stayed ▁somewhat ▁steady , ▁and ▁Bach mann , ▁Perry , ▁and ▁Sant orum ▁were ▁all ▁mostly ▁tied ▁in ▁the ▁second - t ier . ▁A ▁poll ▁conducted ▁by ▁Public ▁Policy ▁Pol ling ▁between ▁December ▁ 1 6 ▁until ▁December ▁ 1 8 , ▁ 2 0 1 1 , ▁showed ▁Paul ▁with ▁the ▁lead ▁for ▁the ▁first ▁time , ▁with ▁ 2 3 % ▁of ▁likely ▁c au cus - go ers ▁supporting ▁him . ▁Rom ney ▁fell ▁close ▁behind ▁with ▁ 2 0 %, ▁and ▁G ing rich ▁saw ▁a ▁ste ep ▁drop ▁in ▁support ▁with ▁ 1 4 %, ▁largely ▁due ▁to ▁the