Discussing disgraced South Carolina Gov. Mark Sanford, former Massachusetts Gov. Mitt Romney, a fellow Republican, said governors and other national leaders are expected “to live by a higher standard because … the culture of the nation” can be hurt by their failings. “Seeing this family become healed is our highest priority,” Romney said on NBC’s “Meet the Press.” “At the same time, and not commenting particularly on Governor Sanford, … people in public life ought to be held to a higher standard. … I heard one … former governor say, ‘Well, everybody makes mistakes.’ Well, that’s true. “But not all...