Changes in the health insurance industry are at the top of NPR's business news.
The giant insurance company Aetna plans to get a little bigger. It's buying Coventry Health Care for more than $5.5 billion. Now, if you want to know why, consider the changing landscape in which Aetna does business. Medicaid is expanding under President Obama's health care law, Medicare is expanding as Americans grow older, and those government-run plans include many opportunities for private insurance companies.