The hearts of many Americans ached over the separation of children from their parents at the US border.  And rightly so.  Children that lack the care and protection of family are, literally, among the most vulnerable beings on earth. That is why, as argued on this blog, “all good public policy begins with the priority of family.” Today, most of the 2,000 to 3,000 children separated from their parents at the border have been reunited, or soon will be.  That’s good…