The U.S. Military Wants A.I. Dominance. Feuds and China May Thwart It. The Trump administration is veering wildly in its response to the national security implications of A.I. as China charges ahead.

Since the launch of the Crossword in 1942, The Times has captivated solvers by providing engaging word and logic games. In 2014, we introduced the Mini Crossword — followed by Spelling Bee, Letter ...