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In self-defense. Secretary of Commerce Daniel C. Roper, left, appears at the Senate commerce committee, to defend his department against charges of graft and corruption hurled by Ewing Y. Mitchell, ousted assistant Sen. Royal B. Copeland, D. of N.Y., center , is chairman of the committee, and Sen. A
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Credit lineIn self-defense. Secretary of Commerce Daniel C. Roper, left, appears at the Senate commerce committee, to defend his department against charges of graft and corruption hurled by Ewing Y. Mitchell, ou. 1935-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.