A California city that has long been a hub of progressive politics now appears to be a test of how the American left navigates issues of Israel and antisemitism. In Richmond, Calif., a city led by Democratic socialist-aligned Mayor Eduardo Martinez, discussions about housing, crime and other local issues quickly became drowned out by discussions about Israel’s war in Gaza following Hamas’ Oct. 7 attacks . The debate spread into the Bay Area, as Jewish leaders and residents said Martinez had…