Andrew Harnik/Getty Images; Stephen Maturen/Getty Images
- The Harris campaign is showing new strength in must-win states ahead of the party's convention.
- In Michigan, Pennsylvania, and Wisconsin, Harris leads Trump 50% to 46% among likely voters.
- It's a reflection of the continued reset of the 2024 race after Biden's exit.
Vice President Kamala Harris' presidential campaign is less than a month old but the latest New York Times/Siena College polls already show her leading former President Donald Trump in the critical battlegrounds of Michigan, Pennsylvania, and Wisconsin.