When Mitt Romney was Massachusetts governor, the state tried to pull the plug on an 11-year-old girl in a coma — only to see her recover. Now the case could become a campaign issue for the GOP presidential frontrunner. On the day Mitt Romney announced the support of social conservatives, the Republican blogosphere buzzed with reports about how a state agency under the former Massachusetts governor tried to pull the plug on a brain-damaged girl who ultimately came out of a coma. The report about Haleigh Poutre surfaced on The Shark Tank blog in a sign that conservatives — and...