Democrats Go All-Out to Avoid Disaster in California House Races

Hans Keirstead, a stem-cell scientist running as a Democrat, at his campaign office in Costa Mesa, Calif., May 24, 2018. After months of optimism that the state’s June 5 primary would position them to pick off seven Republican-held districts in November — a substantial down payment on reclaiming the House — Democrats are now going all out to avoid disaster as a result of their unusually crowded slates of candidates. (Jenna Schoenefeld/The New York Times)