While Californians cast ballots Tuesday for a series of contests, outcomes may not be known for days, or even weeks.

State and local election officials from across the country on Wednesday warned that problems with the nation's mail delivery system threaten to disenfranchise voters in the upcoming presidential ...

Add Yahoo as a preferred source to see more of our stories on Google. California voters head to the polls on Tuesday in a high-stakes primary that will determine who could be the state’s next governor ...