Everyone who loves Internet Explorer and Windows 8 will rejoice at the latest appointment from the White House to rescue its core policy from incompetence. The rest of us will just marvel at the irony: The White House is tapping the private sector for its next point man to fix the troubled Obamacare website. The administration is set to announce that Kurt DelBene, an executive at Microsoft, will succeed Jeff Zients in leading the overhaul of the embattled HealthCare.gov, according to four sources with knowledge of the decision. But DelBene isn’t just a Microsoft executive. He’s also the husband of...