Claudia Sheinbaum, a scientist and member of the left wing MORENA party, became the first woman and the first Jew to be elected to head the biggested city in North America on Sunday night.A close ally of President-Elect Lopez Obrador, Sheinbaum was seen winning between 47.5 percent and 55.5 percent of the vote.She has long been the favorite to emulate Lopez Obrador, himself a former mayor of Mexico City.