Kamala Harris Leads Trump in Key Swing State Polls

New polls show Harris gaining momentum in battleground states, but experts urge caution.

Harris leads Trump in Michigan and North Carolina by narrow margins.
Nationally, Harris is ahead by approximately three points in multiple polling averages.
Democratic strategist James Carville warns that Trump often outperforms poll predictions.
Trump's campaign highlights a forecast showing him winning North Carolina.
Robert F. Kennedy Jr.'s exit and endorsement of Trump could impact future polls.