The Democratic establishment took another loss on Tuesday. Michigan primary voters rejected their preferred Senate candidate, Haley Stevens, in favor of Abdul El-Sayed, the radical left-wing challenger backed by Hasan Piker, the Turkish-American influencer known for praising Hamas and Mao Zedong. It was not a decisive victory by any means. Most observers had expected an El-Sayed blowout based on recent polling, which showed him leading by double digits. He led by less than 1 point when the Associated Press called the race Wednesday morning. Mallory McMorrow, who dropped out of the race in early July, was on track to get...