... In return for more spending, Mrs. Clinton could have offered serious structural reforms: repeal of Davis-Bacon, time limits on environmental reviews, serious cost-benefit analysis, and so forth. Such a package would have been irresistible. Instead her plan simply asserts that Mrs. Clinton will “break through Washington gridlock” and “cut red tape”—promises made and forgotten by every presidential candidate in living memory. If the Sierra Club sues to block her worthy commitment to “upgrade our dams and levees,” will she really short-circuit the legal process, and how? The rest of Mrs. Clinton’s economic agenda is a thousand-course smorgasbord of government...