The justices seemed sympathetic to $12 billion in insurance firms' claims. The Affordable Care Act promised to partially reimburse insurers if they lost money due to people's preexisting conditions.

The education secretary says many students who were defrauded by for-profit colleges don't deserve full relief from their loans. Department memos show career staff arguing the opposite.

As world leaders gather for a climate summit in Madrid, some of the countries most vulnerable to climate change say they need improved forecasting tools.

Both Democrats and Republicans argue Michael Horowitz's findings bolster their own arguments about the Justice Department's Russia investigation. Horowitz pushed back in a Senate Judiciary hearing.