As political fights over artificial intelligence accelerate, there is now a super PAC aligned with the data center industry. Its first bet is on Ms. Graham, a Republican in an unexpectedly tight race.

It’s Oct. 26 — eight days from the midterms. Here’s the state of play.

The left says its populist message can attract moderates and conservatives in addition to liberals. That theory will be put to the test in a series of competitive races on Election Day.

At rallies this weekend, Mr. Obama and Mr. Trump delivered two starkly contrasting pitches, differing in style and substance.

The president contended that Dr. Abdul El-Sayed, a Muslim, would “invite hordes of jihadis to our shores” as he sought to bolster the G.O.P. candidate in a tight Senate race.

A lawsuit by the Justice Department challenging a potential narrow loss by the GOP Senate incumbent in Alaska reflects a new tactic by the president to try to shape the election results.

A timely demographic story on election night that we’ve never been able to tell before.

In his campaign for governor, Zach Lahn has pitched himself as a self-made businessman. His backstory is more complicated.

On the trail, James Talarico, the Democratic Senate nominee, has increasingly gone after Mr. Musk, a critic of his who has given big to a group aligned with the Republican candidate, Ken Paxton.

Mary Peltola, Alaska’s Democratic Senate nominee, is rescheduling stops that were planned for Sunday and Monday after the vehicle she was in was struck by another driver Saturday night, according to her campaign.

The Volkswagen division, which imports all its cars from Europe or Mexico, has been hit hard by U.S. tariffs.

With new intelligence and the possibility of all sides seeking pretexts for action, the war in Iran is entering a dangerous phase ahead of elections in the United States and Israel.

Democratic candidates are ahead in two, hold a narrow edge in a third and are tied in a fourth, new polling shows. The seats embody the fights playing out nationwide in the midterms.

The comments came after the disruption in the country’s satellite service. Earlier, Ukraine said drones using Starshield, the Pentagon-funded service, were back to normal speeds.

Latinos helped fuel President Trump’s return to the White House. But Democrats have won back the trust of many Hispanic voters over the past two years.

Senator Roger Marshall was slow to recognize the steep challenge he faced in his solidly conservative state. Now he is confronting dissent among voters with deep economic worries.

Rick Jackson’s run for governor as a political nobody was his latest gamble. The campaign has brought scrutiny to the businesses that made him a fortune.

The president voted at a polling station in Palm Beach County, Fla.

With moves in Alaska and California, the department has stepped up interventions in the midterm elections as the president’s instrument of unmediated executive power.

The Trump administration says Canadian officials are trying to sway the midterm elections for Democrats. Prime Minister Mark Carney says those claims have “no merit.”