What Could Shake Up the Democratic Presidential Primary? A Win. – The Wall Street Journal

Former Vice President Joe Biden began the year atop the polls in the race for the Democratic presidential nomination, and despite a summer of missteps, that’s where he remains.

There have been moments of movement in the race: Sen. Kamala Harris’s brief burst following a debate confrontation with Mr. Biden; former Rep. Beto O’Rourke’s downward…