State government's wave of early retirements and article submission service has swept away a layer of workers who kept a lookout for fraud or abuses.Fewer state employees will be devoted to safeguarding tax money, public safety, health and the environment, an examination of staffing levels by the Des Moines Sunday Register found. This comes when Iowa's state auditor is finding more instances of misused tax money and when recession-battered Iowans are seeking more state services.