This year, Juneteenth, the commemoration of the end of slavery in the U.S., will be celebrated by Black Americans amid a national reckoning on race. Juneteenth, the commemoration of the end of slavery in the United States, will be celebrated by Black Americans this Friday amid a national reckoning on race prompted by the police killing of George Floyd and the sweeping demonstrations that followed. As hundreds of thousands have protested nationwide and calls for police reform and for an examination of the nation’s history of racial inequality have grown — including rising pressure to take down Confederate statues —...