A woman with whom Texas Attorney General Ken Paxton is said to have had an extramarital affair made a sudden appearance Wednesday at the Republican's impeachment trial but never testified despite being called to take the witness stand.
The nation's biggest technology executives on Wednesday loosely endorsed the idea of government regulations for artificial intelligence at an unusual closed-door meeting in the U.S. Senate. But there is little consensus on what regulation would look like, and the political path for legislation is difficult.