CVS Health Corp. is in talks to purchase Aetna Inc. for more than $66 billion, the Wall Street Journal is reporting. The Journal said the companies are in late-stage talks of negotiations for a deal that would create a wide-ranging health care leviathan, focused on everything from selling insurance to negotiating drug prices with pharmaceutical companies to providing drugs to consumers. The purchase would include mainly cash as well as some stock, the Journal said. The deal w