Chicago's best known hospitals don't accept many of the health plans sold on the new insurance marketplace that's part of the nation's health care law, and consumer advocates are worried patients will get stuck with unexpected bills. It may turn into the next big challenge for the insurance system created by President Barack Obama's law. Obama promised Americans could keep their doctors. But experts say the new plans appear to offer a narrow choice of hospitals and doctors less choice than offered by Medicare or employer-based coverage.
