Did Obamacare kill the Catholic hospital Joe Biden was born in? That’s been a matter of battling press releases, news reports, and even a radio ad in Pennsylvania in recent days, as the vice president went back to Scranton — home of Mercy Hospital, where he was delivered — to campaign for Rep. Chris Carney. The controversy got fired up when Kevin Cook, the CEO of Mercy Partners — a health-care system run by the Sisters of Mercy, with three hospitals in Pennsylvania — commented about those three locations’ being put up for sale: “Health-care reform is absolutely playing a...