https://edition.cnn.com/2024/07/20/politics/democratic-consensus-harris-should-biden-step-aside/index.html
https://archive.ph/sOtfC
https://edition.cnn.com/2024/07/20/politics/democratic-consensus-harris-should-biden-step-aside/index.html
https://archive.ph/sOtfC
She didn't do well in the 2020 primary. Now of course this isn't exactly the same situation as back then, but I don't see her as a strong enough candidate to safely beat Trump. Winning the popular vote isn't enough, as you yourself said.