A medical team in New York City says it has performed the first complete surgical transplant of a trachea. These kinds of transplants are one of the last big transplant challenges.
Army Gen. Paul Nakasone, director of the National Security Agency, says the U.S. has a "blind spot" when it comes to foreign intelligence services that effectively carry out cyberspying from inside the U.S.
Anna Moneymaker/The New York Times via AP
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Supreme Court Justice Clarence Thomas issued a concurrence in a case over former President Donald Trump's Twitter account in which Thomas suggested that social media companies should be regulated like a common carrier, like a telephone company.
Patrick Semansky/AP
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Robert Malley, pictured in 2018, helped negotiate the Iran nuclear deal in 2015. He's now involved in talks to potentially restart the deal, beginning this week in Vienna.
Brendan Smialowski/AFP via Getty Images
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