St. Elizabeth Seton called him ""The Pope""; his students dubbed him ""Little Bonaparte."" To Pope Gregory XVI he was ""my most particular friend""; while his own Bishop charged him with acting as a ""Bishop"" rather than as parish priest. The man was Father John Dubois, an exile from France, the founding father of many cherished Catholic institutions in America. Dubois was beloved by the ""little people""--the scattered Catholics he served in rural...