Supreme Court upholds Obama’s health-care law

Chief Justice John G. Roberts Jr. on Thursday joined the liberal wing of the Supreme Court to save the heart of President Obamas landmark health-care law, agreeing that the requirement for nearly all Americans to secure health insurance is permissible under Congresss taxing authority.

Even as it upheld that central component of the Patient Protection and Affordable Care Act, however, the court modified another key provision of the law, ruling that the federal government cannot withdraw existing Medicaid funding from states that decide not to participate in a broad expansion...