The 52-year-old Fetterman, who confirmed that he had been hospitalized all weekend, insisted the health emergency wasn't slowing his campaign. But the stunning revelation, two days before Pennsylvania’s primary, created a cloud of uncertainty over the Democratic front-runner’s candidacy.

By Marc Levy, Steve Peoples, Associated Press

Democrats are counting on making gains in California to help retake control of the House, but the state’s unique primary system could block the party from competing for critical seats in November.

By Jessica Yarvin