Senate Majority Leader Mitch McConnell, who said recently he opposes paying government reparations to the descendants of American slaves, has a family history deeply entwined in the issue: Two of his great-great-grandfathers were slave owners, U.S. census records show. The two great-great-grandfathers, James McConnell and Richard Daley, owned a total of at least 14 slaves in Limestone County, Alabama — all but two of them female, according to the county “Slave Schedules” in the 1850 and 1860 censuses. The details about McConnell’s ancestors, discovered by NBC News through a search of ancestry and census records, came in the wake of...