Voters experienced long lines at the polls for Arizona's presidential primaries Tuesday because of fewer polling sites this year in Maricopa County. Polling sites were overwhelmed for Tuesday's Presidential Preference Election after county officials reduced the number sites to save money.Source: Arizona primary: Maricopa County had one polling site for every 21,000 voters...

California's primary amounts to 54 separate races on a single day — one in every congressional district across the sprawling, diverse state, and one statewide. The winner in each district collects three delegates; then, the candidate who gets the largest number of votes statewide claims a bonus of 13 more.That means a solidly Democratic district covering the heavily Hispanic neighborhoods...