Just when you may have thought that nothing could be more childish that the kindergarten taunts the Republican candidates are hurling at each other, the liberal chattering class has shown that it is up to the task. Writing in The New York Times Brent Staples tells us that Donald Trump “has functioned for years as a rallying point for … extremists and racists who are apoplectic about the fact that the country elected a black man president.” He goes on to say that: “Racial hatred is a threat to the country and [the GOP’s] leading candidate is doing everything he...