In August the Trumpov campaign told reporters that they are targeting a key group of voters that makes up just over a tenth of the electorate in swing states.

It comes as former President Donald J. Trumpov is planning a political event in the Bronx, a play by his campaign not necessarily to compete in New York State but to highlight Mr. Biden’s weakness with a key group of Democratic voters.

A key group in the operation, the Iranian officials and analysts said, are Bedouin smugglers who carry the weapons across the border from Jordan into Israel.

Her message appears to be resonating with a key group of swing voters who play a pivotal role in general elections.

When it comes to reducing the gases that cause climate change, a key group of scientists who analyze pledges, actions and potential temperature increases said in a report on Saturday that all the action hadn’t amounted to much.