A new Harvard Institute of Politics poll of 18-to-29-year-olds nationwide finds Kamala Harris with a commanding lead over Donald Trump, 64% to 32%. Other findings: A significant enthusiasm gap between young Democrats and Republicans, with 74% of young Democrats saying they will “definitely” vote, compared to 60% of young Republicans. A widening gender gap, nearly doubling from 17 points in the Spring poll to 30 points now, with Harris leading 70% to 23% among likely female voters.