the racially based quota system that had defined American immigration policy for four decades and replaced it with a policy whose central purpose was family reunification, with a preference for immigrants with specific skill sets. (7) According to Robert A. Caro, the preeminent biographer of Lyndon Baines Johnson, with the single exception of Lincoln, President Johnson was the greatest champion of the poor and underprivileged in the history of the Republic and was the President who wrote mercy and justice into the statute books by which America was governed . 2. Congressional gold medal (a) Presentation Authorized The Speaker of the House of Representatives and the President pro tempore of the Senate shall make appropriate arrangements for the posthumous award, on behalf of Congress, of a gold medal of appropriate design to Lyndon Baines Johnson in recognition of his contributions to the Nation, including passage of the landmark Voting Rights Act of 1965, the Social Security Amendments Act (Medicare) of 1965, the Civil Rights Act of 1964, the Higher Education Act of 1965, and the Immigration and Naturalization Act of 1965. (b) Design and Striking For purposes of the presentation referred to in subsection (a), the Secretary of the Treasury (referred to in this Act as the Secretary ) shall strike a gold medal with suitable emblems, devices, and inscriptions to be determined by the Secretary. (c) Lyndon Baines Johnson Library and Museum (1) In general Following the award of the gold medal under subsection (a), the gold medal shall be given to the Lyndon Baines Johnson Library and Museum, where it will be available for display as appropriate and available for research. (2) Sense of Congress It is the sense of the Congress that the Lyndon Baines Johnson Library and Museum should make the gold medal awarded pursuant to this Act available for display elsewhere, particularly at appropriate locations associated with Lyndon Baines Johnson. 3. Duplicate medals The Secretary may strike and sell duplicates in bronze of the