The following excerpt is from Reuter v. State of Cal., 874 F.2d 816 (9th Cir. 1988):
One of the rights reserved to the states by the Tenth Amendment is the right to establish their own judicial system. Calder v. Bull, 3 U.S. 388 (1798). Implicitly, this right includes the right to determine the qualifications of a state's judicial officers.
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