Oil companies have contributed $8 million to fight against Measure G, a ballot measure in San Luis Obispo County that would block the expansion of local oil operations.
In one of the most consequential mid-term measures nationwide, Florida's Amendment 4 would automatically restore voting rights to most felons who complete their sentences.
The outcome of the race between indicted incumbent Duncan Hunter, a Republican, and Democrat Ammar Campa-Najjar, could affect President Donald Trump's immigration policy, at least at California's border with Mexico.
Many states require election officials to compare a voter's signature with existing records before issuing and counting absentee ballots, but advocates are filing lawsuits to end the practice.
Research suggests small donors are more like most Americans than large donors are. How big of a difference will they make to this year's congressional races?