Nominations of Mary John Miller, Alastair M. Fitzpayne, Kathleen Kerrigan, and Henry J. Aaron : hearing before the Committee on Finance, United States Senate, One Hundred Twelfth Congress, first session, on the nominations of Mary John Miller to be Under Secretary for Domestic Finance, Department of the Treasury; Alastair M. Fitzpayne, to be Assistant Secretary for Legislative Affairs, Department of the Treasury; Kathleen Kerrigan, to be a judge of the United States Tax Court; and Henry J. Aaron, to be a member of the Social Security Advisory Board, November 17, 2011