While President Trump attacked the Ukrainians, Secretary of State Marco Rubio flew to Geneva to seize control of negotiations that were going off the rails.
President Trump lashed out at Ukraine even as the talks on his peace proposal were still taking place, accusing the country’s leadership of being ungrateful for American support.
In tweaking its chatbot to appeal to more people, OpenAI made it riskier for some of them. Now the company has made its chatbot safer. Will that undermine its quest for growth?
In an interview, Health Secretary Robert F. Kennedy Jr. cited gaps in vaccine safety research. His critics say he is ignoring a larger point: Vaccines save lives.
A global group of researchers was unable to read the vote tally, after an official lost one of three secret code keys needed to unlock a hyper-secure election system.