why is harris doing so much worse vs. trump than clinton and biden?  on this day in 2016 > battle grounds: clinton +3.3 > national poll avg: clinton +5.4 > favorability rating: clinton +15.8 on this day in 2020 > battle grounds: biden +3.9 > national poll avg: biden +8.1 > favorability rating: biden + 17.4 today in 2024 > battle grounds: trump +0.9 > national poll avg: trump +0.1 > favorability rating: harris +2.6
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