Two legal scholars explain what's causing the USPS mail delays, what they mean for the election and the agency's deeper financial problems.
Lawsuits are being argued in courthouses across the country over the conduct of the election. That could lead to the public losing confidence in the election's legitimacy.
To carry out an election by mail, hundreds of thousands of state and local offices and employees across the US must make sure that ballots are processed in a fair, consistent and timely manner.
By picking Kamala Harris, a Black running mate, Biden may have brought younger Black Americans, who now comprise a critical set of swing voters, over to his side.