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.
Senator Darline Graham of South Carolina has been friendlier toward the data center industry than her Democratic opponent, trying to walk a line between backing the centers’ development as a national security necessity while stressing the need for community involvement.
The 44th president sharply criticized Mr. Trump, who hit back later in the day. Mr. Obama also assailed Vivek Ramaswamy, the Republican nominee for governor of Ohio.
With just two weeks to go until the midterms, President Trump’s itinerary reflects how worried the G.O.P. is about its holding onto the House and Senate.
To boost Senator Jon Husted, who is in a tight race to keep his seat, some Republicans who were making a jobs pitch have pivoted to focus on socialism.
Tanya Karabanovs, a volunteer at the Cuyahoga County G.O.P. headquarters, surrounded by unclaimed yard signs. She said that volunteer turnout had been down this midterm cycle.
The race’s fourth and final debate centered on whether Senator Susan Collins, the Republican incumbent, was as independent as she claimed to be from President Trump.