An American flag hangs within a Latino grocery store in Allentown, Penn. on Oct. 7, 2026. Hispanic voters make up at least 20% of registered voters in nearly two dozen highly competitive House races in Arizona, California, Colorado, Florida, Pennsylvania and Texas, as well as other states. (Rachel Wisniewski/The New York Times) By JENNIFER MEDINA and RUTH IGIELNIK In the 1990s, politicians fought for the support of soccer moms. In the 2010s, they competed for votes from white working-class…
