In a majority-homeowner nation, the rental crisis alone cannot explain Harris’s defeat, especially since the concentration of renters in cities means that as a group they likely still tilted toward her. But the demographic overlap between tenants and those who moved away from Harris cannot be ignored. Moreover, the failure to adequately address the housing crisis exemplifies the fecklessness that doomed Harris’s campaign. Any effort to challenge Trump and the reactionary forces he spearheads must not make the same mistake.