Former Sen. John Seymour, the last Republican to represent California in the U.S. Senate, died April 18 in Carlsbad, Calif., more than 33 years after voters replaced him with Democrat Dianne Feinstein in November 1992. He was 88 years old. Seymour’s stint in the Senate was short: He was appointed by Gov. Pete Wilson on Jan. 7, 1991, to fill the seat Wilson vacated after winning the gubernatorial election in 1990. He made a bid to keep the seat f…