OPINION: Joe Biden’s Segregationist Problem
His rivals, beginning with Cory Booker and Bill de Blasio, have already started to pounce.
By any standard, Joe Biden is the Democratic presidential front-runner. The poll averages at RealClearPolitics, for example, show Biden with a commanding 32–15 lead over Bernie Sanders in national polls and leading Sanders by 27 percentage points in South Carolina, 13 in New Hampshire, 13 in Nevada, and six in Iowa. FiveThirtyEight shows Biden leading Kamala Harris in the race for endorsements. The bedrock of Biden’s support is African-American voters, among whom he led Sanders...