Clifford G. Gaddy, an economist specializing in Russia, is a senior fellow in the Foreign Policy program’s Center on the United States and Europe. He is a co-founder and senior scientific advisor of the joint Russian-American Center for Research on International Financial and Energy Security, based at Penn State University. Gaddy is the co-author of the recently released second edition of Mr. Putin: Operative in the Kremlin (Brookings, 2015).