The current race to build artificial intelligence raises a fundamental question: does successfully imitating human behavior ...

"I think we're going to see a lot of these agencies becoming much more political and easier to control in their actions," said Columbia University constitutional law professor Gillian Metzger.

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official — a shift ...