When discussing trans-Mississippi West exploration, everyone starts with Meriwether Lewis and William Clark. But historian Will Bagley has the two captains sharing the No. 2 ranking among U.S. Western explorers. In Bagley’s book, Jedediah Smith is No. 1. Do you agree? Also in contention are a frontier full of other adventurous fellows, including Zebulon Pike, Joe Walker, Wilson Price Hunt, Robert Stuart, Peter Ogden, Stephen Long, Jim Bridger and John Wesley Powell.