IOWA CITY, Iowa — A divided Iowa Supreme Court concluded its term with a ruling that will often require police officers to obtain warrants before they can search inside suspects’ vehicles.In a 4-3 decision, the court outlined a new rule that declares officers can conduct warrantless searches of glove compartments and other places inside vehicles only when safety concerns are at issue. Once suspects are arrested and removed from vehicles, officers generally will need to get warrants to conduct a search — even when they …