New Poll Shows Democrats Have Midterms Momentum, and Trump Calls A.I. Fears ‘a Hoax’

Plus, the biggest night in TV. Here’s what we’re covering: Trump’s Effort to Assert Control Over Elections Continues, Despite Court Loss, by Zolan Kanno-Youngs Democrats Gain Edge as Trump Drags Down G.O.P., New Poll Finds, by Shane Goldmacher, Ruth Igielnik and Sophia June President Trump Is on the Line About an A.I. Slowdown, by Kalley Huang, Mike Isaac and Karen Weise U.S. Health Officials Move Quickly to Deploy Medical A.I.