In a post on To the Point, Georgetown University’s Sabrina Corlette and Kevin Lucia trace the policy and business decisions that led to high premiums in Iowa’s health insurance marketplace. The state’s recent decision to exempt health plans offered by Iowa’s Farm Bureau from state and federal insurance regulation, including the Affordable Care Act’s provisions designed to protect people with preexisting conditions, is “making a bad situation worse for the state’s individual market,” they say, noting that Iowa’s experience offers lessons for other states.