Elizabeth Cobbs Hoffman is the Dwight Stanford Professor of American Foreign Relations at San Diego State University. She is the author of "Major Problems in American History: Volumes I and II". Her other books include "All You Need is Love: The Peace Corps and the 1960s” and "The Rich Neighbor Policy: Rockefeller and Kaiser in Brazil." She served for six years on the State Department’s Advisory Committee on Historical Diplomatic Documentation, overseeing declassification of “Foreign Relations of the U.S.”