It's shameful that it took so long to declare a national holiday to commemorate the end of slavery in the United States. But the nation's first official Juneteenth holiday weekend got off to an inauspicious start, to say the very least. CNN reported gun violence in multiple locations, including my own small town of Granger, Indiana. My teenage son works at the family-owned grocery store in the same little shopping center where five people were shot (one fatally) at a "Juneteenth Summer Bash" party held at a tavern. When I dropped him off at work the next morning, the parking...