WASHINGTON, Jan. 17 — To halt the removal of a cross placed in the Mojave National Preserve almost 70 years ago to commemorate World War I veterans, a Republican lawmaker from California has proposed swapping the land it sits on with a private group. The National Park Service recently ordered the return of plaques bearing biblical verses that had hung in Grand Canyon National Park for more than 30 years before they were taken down last summer. The Park Service also approved selling a book at the Grand Canyon that suggests the canyon was created in six days several thousand...