NEW You can now listen to Fox News articles! Former Immigration and Customs Enforcement Deputy Director Madison Sheahan finished third in her Ohio Republican congressional primary Tuesday night, handing ICE critics a talking point but leaving Republican officials convinced they have the right candidate to flip a battleground seat. Sheahan’s loss to former state Rep. Derek Merrin brings relief to Republicans concerned about her electability against Rep. Marcy Kaptur, D-Ohio. Kaptur is the longest-serving woman in congressional history and a top National Republican Congressional Committee target in the midterms as a potential seat to flip in the battle for the narrow House majority. The House is currently 218-212, with five vacancies and one independent who caucuses with the GOP. "40-year career politician Marcy Kaptur has failed Ohioans for decades and Northwest Ohioans are ready for change," NRCC spokesman Zach Bannon told Fox News on Wednesday morning.…