Judicial Branch

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I am of opinion that the statute of Louisiana is inconsistent with the personal liberty of citizens, white and black, in that State, and hostile to both the spirit and letter of the Constitution of the United States. If laws of like character should be enacted in the several States of the Union, the effect would be in the highest degree mischievous. Slavery, as an institution tolerated by law would, it is true, have disappeared from our country, but there would remain a power in the States, by sinister legislation, to interfere with the full enjoyment of the blessings of freedom to regulate civil rights, common to all citizens, upon the basis of race, and to place in a condition of legal inferiority a large body of American citizens now constituting a part of the political community called the People of the United States, for whom and by whom, through representatives, our government is administered. Such a system is inconsistent with the guarantee given by the Constitution to each State of a republican form of government, and may be stricken down by Congressional action, or by the courts in the discharge of their solemn duty to maintain the supreme law of the land, anything in the constitution or laws of any State to the contrary notwithstanding.

- Justice Harlan, dissenting, Plessy v Ferguson

Anthony M. Kennedy, Associate Justice John G. Roberts, Chief Justice of the United States