Today marks the one-year anniversary of the shot heard ’round America — the one that left Michael Brown’s lifeless body lying on a Ferguson, Mo., street for hours and then left the nation reeling and roiling ever since. Yet watching the GOP candidates and Fox News moderators shape and prioritize the nation’s most pressing problems Thursday night, one couldn’t help but wonder: Does “Black Lives Matter” matter to them at all? In a two-hour debate, which frankly felt much longer, only two candidates were even asked about race. First, Wisconsin Gov. Scott Walker answered a question about the Black Lives...