GOP focuses on fraud, seeking to redirect voters’ ire over healthcare costs

Heading into the midterm elections, high healthcare costs rank among voters’ biggest concerns. But lately, there’s a twist giving the issue new momentum on campaign agendas: a focus on fraud in government health programs.

The administration of President Donald Trump has used claims of widespread wrongdoing to justify investigations, suspensions of billions of dollars in payments to states, and the cancellation of Affordable Care Act health coverage for hundreds of thousands of people.

The effort has opened a broader political fight over the extent of fraud and the administration’s response to it. Republicans say they&rs...