MANCHESTER, N.H. — They have debated on the same stage five times, but rarely have the contrasts between Mitt Romney and Rick Perry been more in evidence than during separate appearances here Friday night. It was Romney the careful technocrat versus Perry the unplugged preacher. snip One such question came from a man who told Romney that “everything you said in your introduction was wonderful” but who questioned some of the details of the former Massachusetts governor’s priorities. “I’m just not seeing how that adds up,” he said. snip An hour later, Perry took the stage at a downtown hotel...