IOWA CITY — After five roller-coaster years bookended by campus protests and a historic pandemic, University of Iowa President Bruce Harreld on Thursday announced he will retire — years before his extended contract expires in 2023.Harreld, just months shy of his 70th birthday, last week notified the Board of Regents of his intentions to leave his post atop Iowa’s oldest public university as the campus is in the midst of coping with huge losses from the COVID-19 pandemic and an extraordinary decline in the share of state budget support.In a Sept.