What to watch in the Aug. 4 primaries: Michigan Senate race tests Democrats’ path forward

Michigan's August 4 primaries feature a Democratic Senate race between Abdul El-Sayed and Haley Stevens, with backing from Bernie Sanders and Chuck Schumer respectively. AIPAC has spent $30 million supporting Stevens, while the race tests Democratic unity amid divisions over U.S.-Israel policy. Voters also choose nominees for Michigan governor and other races.