Can Americans still have a sensible and friendly political discussion across the partisan divide? The answer is yes, and we intend to prove it. Julie Roginsky, a Democrat, and Mike DuHaime, a Republican, are consultants who have worked on opposite teams for their entire careers yet have remained friends throughout. Here, they discuss the week’s events with editorial page editor Tom Moran. Q. The new Covid variant, Omicron, is stifling international travel and threatens to depress economic growth as the pandemic enters its third year. Are we overreacting to this one, given the new effective tre…