WASHINGTON (AP) — Barbara Weigand could not have prepared more for retirement. She stayed healthy and saved diligently for years. This year, though, a shoulder surgery and a bladder cancer diagnosis have really tested her finances. She recently withdrew $4,000 from her retirement account to cover medical expenses associated with her cancer treatment. “On my monthly income, I would not be able to afford my new medical expenses,” says Weigand, 83, who lives in North Canton, Ohio. She is on...