Article continues below advertisementCalifornia Governor Gavin Newsom took a dig at Donald Trump's mental health after the president doubled down on there not being enough water to aid in the Palisades wildfires in January."Do people with dementia repeat false things over and over again?" Newsom asked Grok, X's AI chatbot, on Tuesday, August 26."Yes, people with dementia can repeat false statements or beliefs, a behavior often linked to memory impairments and cognitive changes.