Even for Silicon Valley, where executives have spent the past two years likening their chatbots to fire, electricity, and nuclear weapons, the past few months have been extraordinary. Some of the ...

Now, some Trump advisers and allies say privately they are concerned that the dynamic may be repeating itself four years later. They worry that Mr. Trump’s impetuousness and scattershot style on ...

"I'm starting to worry about the polls because I see a lot ... Goldberg, by contrast, said she didn't let the polls get to her, or necessarily even believe them. "We need to have a lot more ...