North America's grasslands, once teeming with wildlife, awed and inspired Lewis and Clark, artists George Caitlin and Karl Bodmer, and other early American travelers. Today an extraordinary Montana-based project is described by National Geographic as “one of the most ambitious conservation...

Is the spirit of citizenship still alive in America? Past generations had the draft and epic fights for civil rights. Before that, Tocqueville described how barn raisings and self-government were part of the same civic impulse. But what is citizenship in America today? What should it mean beyond...