"The journey of the Corps of Discovery, under the command of Captains Meriwether Lewis and William Clark, across the American West to the Pacific Ocean and back in the years 1804-1806 seems to me to have been our first really American adventure, one that also produced our only really American epic, The Journals of the Lewis and Clark Expedition, now at last available in a superbly edited, easily read edition in twelve volumes (of an eventual...