Nominations of: Stanley Fischer, Jerome H. Powell, Lael Brainard, Gustavo Velasquez Aguilar, and J. Mark McWatters: hearing before the Committee on Banking, Housing, and Urban Affairs, United States Senate, One Hundred Thirteenth Congress, second session, on nominations of: Stanley Fischer, to be a member and vice chairman of the Board of Governors of the Federal Reserve System; Jerome H. P