Sanders Says It’s Clinton’s Responsibility To Bring His Supporters Into The Fold

Ending a presidential primary is often a bitter affair. But with rare exceptions, the party’s factions usually come together. That seems likely to be the case again this year with the Democrats, even as the contest drags out longer — and grows a bit more contentious — than many party members find comfortable.

On Sunday morning, Sen. Bernie Sanders (I-Vt.) reiterated his long-standing commitment to defeating Donald Trump in the fall, whether he is the nominee or Hillary Clinton gets that honor. But while not conceding defeat, he notably added...