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Robert Francis "Beto" O'Rourke (born September 26, 1972) is an American politician and businessman who has served as the U.S. Representative for Texas's 16th congressional district since 2013. A member of the Democratic Party, he served as the 50th mayor of El Paso, Texas, from 2005 to 2011. O'Rourke was the Democratic Party's nominee for the 2018 United States Senate election in Texas, narrowly losing to Republican incumbent Ted Cruz.