Every new administration that wins power away from the opposing party contends that whatever its predecessors did was terrible and that victory constitutes a popular mandate to fix or get rid of it all. Elections have consequences, politicians love to remind us, and a big one entails trying to change everything, right away.

It is possible to read “Mandate for Leadership: The Conservative Promise” — an 887-page document proposing to remake the executive branch, department by department, agency by agency, office by office — as one more go-round in this Washington tradition. With contributions by dozens of conservative thinkers and activists under the leadership of the Heritage Foundation’s Project 2025, the book announces itself as part of a “unified effort to be ready for the next conservative administration to govern at 12:00 noon, Jan. 20, 2025.” There is much work ahead, it states, “just to undo the significant damage that will have been done during the Biden years.”