Postmaster General Louis DeJoy pledged Thursday that the US Postal Service will undertake “heroic efforts” to deliver all mail-in ballots on time this year and urged people to put their ballots in the mail at least one week before Election Day on November 5.

After filling out your ballot, insert it in the provided envelope and mail it to your county elections office. Mail ballots must be postmarked on or before Election Day — Tuesday, Nov. 5 — and received by the elections office no later than seven days after Election Day, according to the California Secretary of State’s office.

A slew of new national and swing-state polls have come out in the past 24 hours — particularly from battleground Pennsylvania — and they tell three consistent storylines after last week’s presidential debate.