Ohio Republican Darrell Issa will replace Jason Chaffetz . In one of the few contested leadership roles , Chaffetz beat out two other members for the seat : Chaffetz will be the the Oversight Committee 's main investigator of President one last two years in office .
Ohio Republican Darrell Issa will replace Jason Chaffetz . Chaffetz will be the the Oversight Committee 's main investigator of President one last two years in office .