President Trump holds a rally for Alabama Republican Senate candidate Luther Strange on Sept. 22 in Huntsville, Ala. After Strange lost the primary race, Trump's tweets promoting him were deleted.
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Twitter officials are expected to meet with Senate Intelligence Committee investigators. Staffers want to know about the use of fake accounts, bots and trolls to influence the trends and topics on the social platform.
JetPack Man flies through the air at the NASCAR Sprint Cup Series AAA Texas 500 at Texas Motor Speedway on Nov. 6, 2011, in Fort Worth. Backers of a new $2 million competition hope to encourage the development of personal flying vehicles.
Jerry Markland/Getty Images for NASCAR
For months, Facebook CEO Mark Zuckerberg had claimed that security experts at Facebook had found no evidence of Russians involved in fake news. Now, Facebook is turning over thousands of ads to Congress it said had been placed by a Russian agency.
"At this critical juncture, I believe it is in the best interests of the company to have new leadership to move the company forward," said Equifax Chairman and CEO Richard F. Smith.
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