President Trump and the first lady tested positive for the coronavirus. They will remain home for 14 days, raising questions about the president's job functions and implications for the campaign.
"The President and First Lady are both well at this time, and they plan to remain at home during their convalescence," the White House physician says in a letter.
Gov. Greg Abbott ordered order a limit to the number of places where voters can hand deliver mail-in ballots. Some county officials worry it will lead to confusion and voter suppression.
The robocalls came from a nonexistent group and falsely warned recipients that voting by mail would result in being "finessed into giving your private information to the man."
If results of the presidential election are delayed, false claims and other misinformation could thrive online, which is forcing Facebook and Twitter to prepare for worst-case scenarios.
Atlantic writer Barton Gellman says the 2020 election could trigger a constitutional crisis: "This is not going to be a normal election. ... Preserving its legitimacy is going to take extra effort."
The state sends out an extra "secrecy" envelope with absentee ballots. A recent court ruling declared that if voters forget that envelope when they return their ballots, their votes will be voided.