• Engines of election meddling.

The Russian campaign to influence the U.S. election has put Facebook under enormous scrutiny, but it may have used Twitter even more extensively. The company is to brief staff members of the Senate and House intelligence committees today.

Separately, Facebook defended itself against accusations of bias from President Trump.

• A devastating one-two punch.

Our correspondent in the U.S. Virgin Islands surveyed the destruction wrought by two Category 5 hurricanes, finding that Maria drowned what Irma didn’t destroy. “Maria broke our spirit,” one resident said.

We also spoke to the governor of Puerto Rico about what the island needs for recovery, and have a video from a village where “the wind came and took everything.”