Dozens of prominent U.S. and state government officials, advocacy groups, and executives from big tech companies gathered in New York last month to participate in an important simulated election exercise. The war game exercise imagined a fictional crisis in which AI-generated photos and videos are released on social media immediately before the 2024 election. The images appear to show election officials in Florida dumping ballots, in an apparent attempt to manipulate the election’s outcome. If a deepfake election crisis does occur — and there are good reasons to think it will — Trump’s enemies will be ready to take advantage....