Reviewed by Paul T. O’Connor HERBERT HOOVER: A LIFE. By Glen Jeansonne. Berkley. 464 pages. $28. Also available from Penguin Audio, read by Mark Deakins. 16 hours, 28 minutes. $29.95. Head west across Interstate 80 from Chicago, and you’ll come across a National Park Service surprise in West Branch, Iowa: The Herbert Hoover National Historic…