JACKSONVILLE — The candidates have circled the issue for months, throwing bantam punches that mostly missed. During Thursday night's GOP presidential debate, Rick Santorum broke through with an aggressive dismantling of Mitt Romney on health care. "Your mandate is no different than Barack Obama's mandate. It is the same mandate," Santorum said. "Folks, we can't give this issue away in this election. It is about fundamental freedom." Romney until that point had delivered a performance that re-established his claim to the Republican nomination — a goal he could leap toward Tuesday by winning Florida's primary. But Santorum drew fresh attention...