Kamala Harris’ most consistent political trait may be a lack of consistency. Over the course of her long career, first in California and then in Washington, D.C., the Democrats’ 2024 presidential nominee has been plagued by plausible allegations that she’s hard to pin down and lacks a stable ideological core. She’s a flip-flopper—or, if you want to be charitable, she evolves quickly. Over the summer, Harris’ evolutions kept on coming, with her campaign issuing rapid-fire disavowals of many of her previous positions. Because she ran her failed 2020 presidential primary bid on an ultraprogressiv…