New Jersey Gov. Chris Christie (R) leads former Secretary of State Hillary Clinton in Iowa, according to a new survey from the GOP firm Harper Polling.
Christie leads Clinton in the key swing state by 43 to 38 percent, according to the poll.
It suggests the New Jersey governor would be the strongest Republican against Clinton in Iowa. Clinton leads a number of other Republicans tested in the survey, including Rep. Paul Ryan (Wis.) and Sens. Ted Cruz (Texas), Marco Rubio (Fla.) and Rand Paul (Ky.).