Can Americans still have a sensible and friendly political discussion across the partisan divide? The answer is yes, and we prove it every week. 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. Sen. Robert Menendez, chairman of the Foreign Relations Committee, called for an end to most arms sales to Saudi Arabia and an overall “freeze” in Washington’s cooperation with Riyadh. This came after the…