Arts Jan 26 Watch 8:06 Tattooed, Mexican-American and female: Classical maestra keeps symphony in tune Among more than 20 of the major U.S. symphony orchestras, only one woman has the top job of principal conductor. But women are making better gains in the nation's smaller ensembles. Jessica Bejarano is leading the San Francisco Civic Symphony,… By Joanne Elgart Jennings, Melanie Saltzman