DES MOINES — Iowa lawmakers plan to hold hearings to investigate problems that have surfaced at a state-run institution for people with intellectual disabilities.State Rep. Mary Ann Hanusa confirmed Wednesday that the House Government Oversight Committee she leads will hold a hearing about issues at western Iowa’s Glenwood Resource Center, including deaths, overall care and sexual experiments done on patients.Hanusa, a Republican, is working with the Iowa Department of Human Services to arrange a date for a hearing, according to a statement.Senate Oversight Committee Chairwoman Amy Sinclair, also a Republican, said Tuesday evening she will attend the House meeting before deciding whether to convene a Senate hearing.“Protecting the citizens of Iowa, particularly vulnerable Iowans, from their own government is certainly an issue I believe is under the jurisdiction of my committee, but I want to proceed cautiously so that our actions do not interfere with the official actions currently progressing,” Sinclair said.GOP Gov.