The data make it clear that most provisional ballots are likely to come from voters with outstanding mail ballots, rather than voters who’ve already returned deficient mail ballots. And they also make it clear that those provisional ballots may favor Vice President Kamala Harris and the Democratic Party.

Voters in a populous suburban Philadelphia county heavily courted by the presidential candidates have one more day to cast their ballots early

The Republican National Committee is seeking to put on hold a decision from the Pennsylvania Supreme Court involving provisional ballots.