CONCORD, N.H. — Mitt Romney seems to have swallowed a dose of the civility his rival, Jon Huntsman Jr., is trying to inject into the Republican presidential race.

No, Romney hasn’t quieted his full-throated assault on President Obama’s economic record.

But during a Monday morning campaign swing through this early primary state, Romney issued a call for bipartisanship and said the American people would be better served if Republicans and Democrats worked together to find “common ground.”