Nebraska and Maine long ago discarded the electoral college's winner-take-all approach to allow split ballots if a candidate wins the popular vote in a congressional district.
Arizona holds a presidential preference election to choose how its delegates will be awarded. That means independents don't get to vote - in a state where they are a third of the electorate.
NPR's Ayesha Rascoe speaks with David Cohen, politics professor at the University of Akron, about one of the tightest races in the country: the Ohio Senate seat held by Sherrod Brown since 2007.
President Biden was speaking at the annual Gridiron Club and Foundation Dinner, the first time he has attended during his presidency. Vice President Kamala Harris and other big names were there too.
Former President Trump claimed he will protect Social Security and warned of a "bloodbath" in the auto industry if he loses the election at a rally for Senate candidate Bernie Moreno in Ohio.
The decision bolsters the chances that 15 defendants including former President Donald Trump will face trial this year for attempting to overturn the 2020 election result.